Pope Leo XIII

Why the papal name Leo has been inspirational

A photograph of Pope Leo XIII
taken at the time of his election

Pope Leo XIII, who was the fourth longest serving pope in history, died on this day in 1903 in Rome at the age of 93. His reputation for supporting the rights of industrial workers inspired the current pope, Leo XIV, to choose Leo as his papal name after he was elected in May 2025.

Leo XIII served as pope for 25 years, despite fears after his election in 1878 that he was in delicate health. Only three popes have served for longer. They were the first pope, Saint Peter the Apostle, Pope Pius IX, and Pope John Paul II.

He was born Gioacchino Vincenzo Raffaele Luigi Pecci in Carpineto Romano in Lazio in 1810. His family were both noble and religious and he was educated at the Jesuit College of Viterbo. He enjoyed Latin and was writing his own poems in Latin by the age of 11.

After his mother died, his father, Count Domenico Pecci, wanted his children to be near him, so he moved to Rome, where he attended the Jesuit Collegium Romanum.

As a young man, Pecci studied at the Pontifical Ecclesiastical Academy, where he won awards for academic excellence. He was appointed as a prelate by Pope Gregory XVI before he was even ordained as a priest and he was later appointed as papal legate to Benevento.

He faced a decaying local economy badly affected by Mafia and Camorra organisations linked to the local aristocracy. Pecci arrested the most powerful aristocrat in Benevento and had others either killed or imprisoned.  He reformed the tax system to stimulate trade.

He was then sent to Perugia where his fight against corruption continued. When it was claimed a baker was selling bread below the legal weight, he personally went to the bakery and had all the bread weighed. The bread found to be below the weight was confiscated and distributed to poor people.

A book illustration showing
Pecci as Nuncio to Belgium

At the age of 33, Pecci was appointed Apostolic Nuncio to Belgium and he was then consecrated as an archbishop. 

From 1846 to 1877 he was a popular Archbishop of Perugia. He formed homeless shelters for boys, girls, and women, opened a bank, Monte di Pietà, which provided low-interest loans to poor people, and he created soup kitchens. 

After being appointed Cardinal Bishop of Crisogno in 1853, Pecci began to address the role of the church in modern society, defining it as ‘the mother of material civilisation’ because it upheld the dignity of working people and their right to a fair wage and to go on strike.

He was appointed to an office in the papal household in 1877 by Pope Pius IX, which required him to move back to Rome. After Pius IX died in 1878, Cardinal Pecci was elected as the new pope on the third ballot and he chose the papal name Leo XIII. He said he had always venerated Pope Leo XII because he admired his conciliatory attitude to foreign governments and his interest in education.

It was thought at the time that the more conservative cardinals voted for Pecci because they believed his age and health meant that his papacy would be brief, and they were trying to thwart other candidates they did not want to see elected.

However, during the next 25 years, Leo XIII worked to improve understanding between the church and the modern industrial world. He tried to reverse the trend towards an increasingly impoverished working class with socialist sympathies and anticlerical views, and he improved relations with Russia, Germany, France, and Britain. He also made the Catholic Church become more open to scientific progress.

An 1878 magazine illustration of
the Pecci house in Carpineto Romano

His 1891 encyclical Rerum Novarum addressed social inequality and social justice issues using papal authority, arguing that both capitalism and communism were flawed. 

He elevated the English Catholic theologian John Henry Newman to be a cardinal, along with creating the first cardinals from Australia, Canada, Slovenia, and Armenia.

After becoming ill in June 1903, Leo XIII died in the Apostolic Palace of pneumonia on July 20.

He was the first pope to have been born in the 19th century and the first to die in the 20th century. He had run the Catholic Church with efficiency and helped to gain more respect for the papacy at home and abroad. 

Leo XIII was entombed in Saint Peter’s Basilica briefly, but was later moved to the Basilica of Saint John Lateran in Rome, a church in which he had been particularly interested.

When the American cardinal Robert Francis Prevost was elected as pope in 2025, he said one of the main reasons he chose Leo as his papal name was because of the social justice encyclical Rerum Novarum that had been written by Pope Leo XIII.

Piazza Regina Margherita has a fountain
dedicated to Pope Leo XIII

Travel tip:

Carpineto Romano, where Pope Leo XIII was born, is a small town in Lazio, about 37 miles (60km) southeast of Rome. There are still Roman ruins and medieval buildings to be seen, but it was made more splendid in the 16th century by the wealthy Aldobrandini family. It was a duchy under Donna Olimpia Aldobrandini, who played a significant role in its development. The town centre still has narrow cobblestone streets and some elegant palazzi with limestone doorways bearing Italian and Latin inscriptions. The Church of Saint John was significantly reworked while Leo XIII was Pope. It has a portal with bronze panels by the sculptor Tommaso Ambrosetti, who was from nearby Anagni. There is a fountain commemorating Leo XIII in Piazza Regina Margherita.  Carpineto Romano is situated in the Lepini mountains, offering views of the plains of Latina and the Sacco river valley.  The town attracts many visitors to the annual Pallio della Carriera festival, which re-enacts the splendour of the Aldobrandini era and includes a historical procession and a horse race, as well as stalls and exhibits highlighting the town's traditional cuisine.

The Basilica di San Domenico in Perugia has a
 bell tower that rises to almost 200ft (60m)

Travel tip:

Perugia, the capital of Umbria, where Pope Leo XIII spent more than 30 years as an archbishop, is a vibrant city that combines strong echoes of a significant history with an effervescent modern culture.  Standing atop a hill in the Tiber valley, in Etruscan times it was one of the most powerful cities of the period and its strategic position has made it a target for invading armies ever since. The city of today evolved around a fortified medieval village, at the heart of which is Piazza IV Novembre, which has a fountain, the Fontana Maggiore, sculpted by Nicolo and Giovanni Pisano.  The city’s imposing Basilica di San Domenico, built in the early 14th century also to designs by Giovanni Pisano, is the largest church in Umbria, with a distinctive 60m (197ft) bell tower and a 17th-century interior, designed by Carlo Maderno. It contains the tomb of Pope Benedict XI, who died in 1304. Nowadays, Perugia is term-time home to some 34,000 students at the University of Perugia and hosts the world-renowned Umbria Jazz Festival each July. Perugia is the home of the Perugina chocolate company, famous for Baci, which it celebrates with a chocolate festival each summer. 

Also on this day: 

1890: The birth of painter Giorgio Morandi

1937: The death of electrical engineer Guglielmo Marconi

1959: The birth of racing driver Giovanna Amati

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Pope Gregory XI returns the papacy to Rome

Important date in Roman and papal history

Pope Gregory XI was the last French pope
and the last to rule from Avignon

The French Pope, Gregory XI, returned the papacy to Rome, against the wishes of France and several of his cardinals, on this day in 1377.

The move back to Rome was a highly significant act in history as the papacy, from that date onwards, was to remain in the city.

Gregory was born Pierre-Roger De Beaufort in Limoges. He was the last French pope, and he was also the last pope to reign from Avignon, where he had been unanimously elected in 1370.

He immediately gave consideration to returning the papacy to Rome in order to conduct negotiations for reuniting the Eastern and Western Churches and to maintain papal territories against a Florentine revolt being led by the powerful Visconti family.

But Gregory had to shelve his Roman plan temporarily in order to strive for peace between England and France after another phase in the Hundred Years’ War started.

However, in 1375, he defeated Florence in its war against the Papal States and the following year, he listened to the pleas of the mystic Catherine of Siena, later to become a patron saint of Italy, to move the papacy back to Rome.

Giovanni di Paolo's painting depicts the meeting
of Catherine of Siena with Gregory XI at Avignon

After peace was concluded against Florence, Gregory returned the papal court to Rome, entering the city on 17 January 1377, ending nearly 70 years of popes residing in Avignon.

His last few months in Rome were marred by conflict and at one stage he had to flee to Anagni, a town outside the city. Gregory died in March 1377 in Rome and was interred in the church of Santa Maria Nuova.

But the move back to Rome he brought about was important in papal history. Since then, the papacy, despite the reigns of antipopes in other cities, has always remained in Rome.

After Gregory’s death, the College of Cardinals was threatened by a Roman mob that broke into the voting chamber to try to force an Italian pope into the papacy.

The Italians chose Urban VI, but the Cardinals were against him and withdrew to Fondi, the city between Rome and Naples that was the home of the powerful Caetani family, where they annulled the election of Urban and elected a French pope, Clement VII.

This election of rival popes caused the split known as the Western Schism, forcing Europe into a dilemma about papal allegiance.

The Schism was not resolved fully until the Council of Constance was held by the College of Cardinals between 1414 and 1418. The Council deposed both popes and elected the Roman-born Martin V.

After a long stay in Florence, Martin V entered Rome in 1420 and immediately set to work restoring order and repairing dilapidated churches and palaces.

The papal residence in Anagni was a retreat for many
popes seeking refuge from Rome

Travel tip:

Anagni, where Pope Gregory XI briefly sought refuge, is an ancient town in the province of Frosinone in Lazio. It is south east of Rome in an area known as Ciociaria, named after the primitive footwear, ciocie, a type of sandal, worn by people living in the area. During medieval times many popes chose to reside in Anagni, considering it safer and healthier than Rome. The town produced four popes, the last one being Boniface VIII, who was hiding out there in 1303 when he received the famous Anagni slap, delivered by an angry member of the fiercely antipapal Colonna family after he refused to abdicate. After his death the power of the town declined and the papal court was transferred to Avignon. The medieval Palace of Boniface VIII, is near the Cathedral in the centre of the town. Close by there is a restaurant named Lo Schiaffo - The Slap.

Gregory XI's tomb at the Basilica di Santa
Francesca Romana, near the Roman Forum

Travel tip:

The church of Santa Maria Nuova, where Pope Gregory XI is buried, adjoins the Roman Forum and is now known as the Basilica di Santa Francesca Romana, off the piazza of the same name. The tomb of Pope Gregory XI is in the south transept of the church and was reconstructed in 1584 to a design by Per Paulo Oliviero.

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Pope Benedict XIV

Erudite, gentle, honest man was chosen as a compromise

Pope Benedict XIV succeeded Clement XII as a
compromise candidate after a six-month conclave

Prospero Lorenzo Lambertini began his reign as Pope Benedict XIV on this day in 1740 in Rome.

Considered one of the greatest ever Christian scholars, he promoted scientific learning, the baroque arts and the study of the human form.

Benedict XIV also revived interest in the philosophies of Thomas Aquinas, reduced taxation in the Papal States, encouraged agriculture and supported free trade.

As a scholar interested in ancient literature, and who published many ecclesiastical books and documents himself, he laid the groundwork for the present-day Vatican Museum.

Lambertini was born into a noble family in Bologna in 1675. At the age of 13 he started attending the Collegium Clementinum in Rome, where he studied rhetoric, Latin, philosophy and theology. Thomas Aquinas became his favourite author and saint. At the age of 19 he received a doctorate in both ecclesiastical and civil law.

Benedict XIV's monument by Pietro Bracci in
St Peter's Basilica in Rome

Lambertini was consecrated a bishop in Rome in 1724, was made Bishop of Ancona in 1727 and Cardinal-Priest of Santa Croce in Gerusalemme in 1728.

Following the death of Pope Clement XII, Lambertini was elected pope on the evening of August 17, 1740, having been put forward as a compromise candidate after a papal conclave that had lasted six months.

During his reign he carried out many religious reforms and issued a papal bull against the enslavement of the indigenous peoples of the Americas.

He also set in motion the cataloguing of the contents of the Vatican Library.

At the University of Bologna, he revived the practice of anatomical studies and established a chair of surgery and he was one of the first popes to voice displeasure about the use of castrated males in church choirs.

After a battle with gout, Benedict XIV died in 1753 at the age of 83. His final words to the people surrounding his deathbed were: ‘I leave you in the hands of God.’ He was buried in St Peter’s Basilica in Rome.

Horace Walpole later described him as ‘a priest without insolence or interest, a prince without favourites, a pope without nephews.’

The anatomical theatre in the Archiginnasio
at the University of Bologna

Travel tip:

The world’s first university was established in Bologna in 1088 and attracted popes and kings as well as students of the calibre of Dante, Copernicus and Boccaccio. Benedict XIV revived anatomical studies and established a chair of surgery there while he was pope. You can visit the university’s former anatomy theatre in the oldest university building, the Archiginnasio, in Piazza Galvani. It is open Monday to Saturday from 9am to 1pm, admission free.

Travel tip:

The monument to Benedict XIV in St Peter’s Basilica in Rome was created by Pietro Bracci in 1769 in the late baroque tradition. It shows the Pope standing and blessing his flock with statues of Wisdom and Unselfishness at his feet, to reflect his character.

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Giacomo Radini-Tedeschi – bishop

Progressive priest who shaped the destiny of a future Pope

Giacomo Radini-Tedeschi, the
Bishop of Bergamo

Giacomo Radini-Tedeschi, Bishop of Bergamo, who was a mentor for the future Pope John XXIII, died on this day in 1914 in Bergamo.

He was Bishop of the Diocese of Bergamo from 1905 until his death and is remembered with respect because of his strong involvement in social issues at the beginning of the 20th century when he sought to understand the problems of working class Italians.

Radini-Tedeschi was born in 1857 into a wealthy, noble family living in Piacenza in Emilia-Romagna.

He was ordained as a priest in 1879 and then became professor of Church Law in the seminary of Piacenza.

In 1890 he joined the Secretariat of State of the Holy See and was sent on a number of diplomatic missions.

In 1905 he was named Bishop of the Roman Catholic Diocese of Bergamo by Pope Pius X and was consecrated by him in the Sistine Chapel.

Angelo Roncalli, Pope John XXIII

Radini-Tedeschi was a strong supporter of Catholic trade unions and backed the workers at a textile plant in Ranica, a district of Bergamo Province, during a labour dispute.

Working for him as his secretary at the time was a young priest named Angelo Roncalli who had been born at Sotto il Monte just outside Bergamo into a large farming family.

Roncalli went on to become Pope John XXIII in 1958 but never forgot the values Radini-Tedeschi had taught him.

The Bishop became ill with cancer and died at the age of 57 just after the outbreak of the First World War. His last words are reputed to have been: ‘Angelo, pray for peace.’

Travel tip:

Piacenza, where Radini-Tedeschi was born, is on the western edge of Emilia-Romagna and is in a strategic position between the River Po and the Appenines, situated between Bologna and Milan. It has many fine churches and old palaces with splendid gardens to explore. Piacenza Cathedral was built in 1122 and is a good example of northern Italian Romanesque architecture.

The Church of Santa Maria Immacolata
delle Grazia in Bergamo's lower town

Travel tip:

A landmark in Bergamo’s lower town is the church of Santa Maria Immacolata delle Grazie in Viale Papa Giovanni XXIII, one of the main thoroughfares. The huge church on the corner of Porta Nuova has a 19th century green cupola topped with a golden statue with an early 20th century campanile next to it. But the origins of the church date back to 1422 when a convent was built on the site dedicated to Santa Maria delle Grazie. The beautiful cloisters have been preserved within the church buildings although the convent was suppressed at the beginning of the 19th century. The neoclassical design for the new church was created by architect Antonio Preda. In 1907 the main altar was consecrated in the presence of the bishop, Giacomo Radini- Tedeschi, accompanied by his 26-year-old secretary, Angelo Roncalli, the future Pope John XXIII.

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Pope Pius VII

Compromise candidate elected by conclave-in-exile in Venice

Pope Pius VII, a portrait by Jacques-Louis David,
which can be seen in the Louvre in Paris

Pope Pius VII was born Barnaba Niccolò Maria Luigi Chiaramonti on this day in 1742 in Cesena in Emilia-Romagna.

He was elected Pope in a conclave that was forced to meet on the island of San Giorgio in Venice in 1799 because Rome was occupied by the French.  He was crowned with a papier mâché version of the Papal tiara in 1800 because the French had seized the original.

It was the last conclave to be held outside Rome.

Chiaramonti was a monk of the order of Saint Benedict as well as being a distinguished theologian. He was granted the title, Servant of God, by Pope Benedict XVI in 2007.

Chiaramonti had joined the order of Saint Benedict at the age of 14. He was later ordained as a priest and went on to teach at Benedictine colleges in Parma and Rome.

After one of his relatives was elected Pope Pius VI, Chiaramonti had a series of promotions that resulted in him becoming a Cardinal.

The island of San Giorgio in the Venice lagoon, where
the papal conclave of 1799 took place

When the French revolutionary army invaded Italy in 1797, Cardinal Chiaramonti advised people to submit to the newly-created Cisalpine Republic, set up to rule in northern Italy by the French.

Following the death of Pope Pius VI while he was in French captivity, Chiaramonti became the compromise candidate for the papacy after others in the running were unacceptable to the Austrian cardinals.  He was elected in March 1800, taking the name of Pius VII to honour his predecessor.

He opposed the slave trade and condemned freemasons. He had the Arch of Constantine restored in Rome and enriched the collection in the Vatican library with manuscripts and books, although much of his papacy was spent trying to remain on good terms with France and prevent further conflict.  He was himself imprisoned for a while in 1809.

In July 1823 he fractured his hip in a fall in the papal apartments and became bedridden. He died the following month and is now buried in Saint Peter’s Basilica.

The reading room at the Biblioteca Malatestiana in Cesena

Travel tip:

Cesena, the birthplace of Pope Pius VII, is a city in Emilia-Romagna, south of Ravenna and west of Rimini. One of the main sights in the town is the 15th century Biblioteca Malatestiana, which houses many valuable manuscripts and was the first public library in Europe. It is now a listed UNESCO World Heritage site.

Travel tip:

After being briefly interred in the Vatican grottoes, Pope Pius VII was buried inside a tomb in St Peter’s Basilica and had a monument created for him by the Danish sculptor, Bertel Thorvaldsen.

(Photo of Biblioteca Malatestiana by Sailko CC BY-SA 3.0)

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Cosimo de' Medici

Banker who founded the Medici dynasty

This portrait of Cosimo by Jacopo da Contormo
 can be viewed in the Uffizi Gallery in Florence

The first of the Medici rulers of Florence, Cosimo di Giovanni de' Medici, died on this day in 1464 in Careggi in Tuscany.

Cosimo had political influence and power because of the wealth he had acquired as a banker and he is also remembered as a patron of learning, the arts and architecture.

Cosimo, who is sometime referred to as Cosimo the Elder (il Vecchio) was born into a wealthy family in Florence in 1389. His father was a moneylender who then joined the bank of a relative before opening up his own bank in 1397.

The Medici Bank opened branches in Rome, Geneva, Venice and Naples and the Rome branch managed the papal finances in return for a commission.

The bank later opened branches in London, Pisa, Avignon, Bruges, Milan and Lubeck, which meant that bishoprics could pay their money into their nearest branch for the Pope to use.

In 1410, Baldassarre Cossa, who was on one side of a power struggle within the Catholic Church, borrowed money from the bank to buy himself into the office of Cardinal and in return put the Medici in charge of all the papal finances.   This gave the Medici family the power to threaten defaulting debtors with excommunication.

Cosimo and his younger brother Lorenzo took over the running of the bank from their father in 1420 and Cosimo established power over Florence using his wealth to control votes. He was described at the time as ‘king in all but name'.

The Villa Medici in Careggi near Florence, where
Cosimo died in 1464

Eventually his enemies had him imprisoned him in the Palazzo Vecchio for the crime of ‘failing to conquer Lucca’ but he managed to have his sentence changed to exile. He went to live in Padua and then to Venice, taking his bank with him.

When the order of banishment was lifted he was able to return to Florence, where effectively he was to govern the city for the next 30 years.

Cosimo worked to create peace in northern Italy by establishing a balance of power between Florence, Venice and Milan, which allowed for the development of the Renaissance.

The architects Brunelleschi and Michelozzo carried out Cosimo’s building projects in Florence and artists such as Ghiberti, Donatello and Fra Angelico were commissioned to produce works of art for him.

Cosimo also organised a methodical search for ancient manuscripts in Europe and the East and the books and documents procured by him are now housed in the Laurentian Library (Biblioteca Medicea-Laurenziana), which was built in a cloister of the Basilica di San Lorenzo.

Cosimo had married Contessina de' Bardi, who was from another wealthy banking family, in about 1415 and the couple had two sons, Piero and Giovanni.

On his death on 1 August 1464 Cosimo was succeeded by Piero, who later became the father of Lorenzo the Magnificent.

The Government of Florence awarded Cosimo the title Pater Patriae, Father of the Country, which is carved on his tomb in the Church of San Lorenzo.

Travel tip:

Cosimo died in 1464 at the Villa Medici at Careggi, in the hills above Florence. The villa had been purchased in 1417 by Cosimo’s father as a working farm to make his family self sufficient. Cosimo employed the architect Michelozzo to remodel it around a central courtyard overlooked by loggias. Cosimo’s grandson, Lorenzo, later extended the terraced garden and the shaded woods.

The interior of the Basilica of
San Lorenzo in Florence

Travel tip:

The Basilica of San Lorenzo, where Cosimo is buried, is in the centre of the market district and is one of the biggest churches in Florence. It also claims to be the oldest in the city as it dates back to 393. Cosimo’s father offered to pay for a new building to replace the 11th century Romanesque structure there at the time and commissioned Brunelleschi to design it. Michelangelo later designed the Biblioteca Medicea-Laurenziana to house the Medici family’s collection of manuscripts.

More reading:

How Cosimo II maintained the family tradition

Grand designs of Cosimo I


(Photo of Villa Medici by Sailko CC BY-SA 3.0)
(Photo of San Lorenzo Basilica by Stefan Bauer CC BY-SA 2.5)

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