May 25
Overview
Holidays & Observances
Africa Day(African Union)
Africa Day commemorates the founding of the Organisation of African Unity, celebrating unity and progress across the African continent.
African Liberation Day(African Union,Rastafari)
African Liberation Day honors the ongoing struggle for freedom and unity among African people and their diaspora.
Christianfeast day:
Aldhelm, Bede, Canius, Dionysius of Milan, Dúnchad mac Cinn Fáelad, Gerard of Lunel, Madeleine Sophie Barat, Mary Magdalene de Pazzi, Maximus (Mauxe) of Évreux, Pope Boniface IV, Pope Gregory VII, Pope Urban I, Zenobius of Florence, May 25 (Eastern Orthodox liturgics)
A Christian feast day honoring a diverse group of saints, including Aldhelm, Bede, and Pope Gregory VII, celebrated in liturgical calendars.
First National Government/National Day (Argentina)
This day commemorates the first national government established in Buenos Aires in 1810, marking the beginning of Argentina’s push for independence.
Geek Pride Day(geekculture)
Geek Pride Day celebrates all things geeky, from sci-fi and fantasy to gaming and technology, uniting fans worldwide on May 25.
Independence Day, celebrates the independence ofJordanfrom the United Kingdom in 1946.
Jordan’s Independence Day commemorates the country’s independence from Britain on May 25, 1946, celebrated with nationwide festivities.
Last bell(Russia, post-Soviet countries)
Last Bell is a festive ceremony marking the end of the academic year in Russia and other post-Soviet countries, celebrated on May 25.
Liberation Day (Lebanon)
Lebanon's Liberation Day remembers the withdrawal of Israeli forces from southern Lebanon on May 25, 2000, celebrating national sovereignty.
International Missing Children's Dayand its related observances:
National Missing Children's Day(United States),
International Missing Children's Day raises awareness of missing children and calls for action to protect vulnerable youth worldwide.
Events
Servius Tullius, the king of Rome, celebrates a triumph for his victory over the Etruscans.
Roman King Servius Tullius celebrates a triumph after defeating the Etruscans in 567 BC.
First recorded perihelion passage of Halley's Comet.
The first recorded perihelion passage of Halley's Comet, marking its earliest known appearance in 240 BC.
Alfonso VI of Castile takes Toledo, Spain, back from the Moors.
Alfonso VI of Castile captures Toledo from the Moors in 1085, a pivotal moment in the Reconquista.
Henry the Navigator is appointed governor of the Order of Christ.
Prince Henry the Navigator becomes governor of the Order of Christ in 1420, fueling Portugal's Age of Discovery.
The Diet of Worms ends when Charles V, Holy Roman Emperor, issues the Edict of Worms, declaring Martin Luther an outlaw.
At the Diet of Worms in 1521, Emperor Charles V issues the Edict of Worms, declaring Martin Luther an outlaw.
Ming general Wu Sangui forms an alliance with the invading Manchus and opens the gates of the Great Wall of China at Shanhaiguan pass, letting the Manchus through towards the capital Beijing.
Ming general Wu Sangui allies with the Manchus and opens the Great Wall gates at Shanhaiguan in 1644, enabling the Qing conquest.
Richard Cromwell resigns as Lord Protector of England following the restoration of the Long Parliament, beginning a second brief period of the republican government called the Commonwealth of England.
Richard Cromwell resigns as Lord Protector in 1659, initiating the brief second Commonwealth of England.
Charles II lands at Dover at the invitation of the Convention Parliament, which marks the end of the Cromwell-proclaimed Commonwealth of England, Scotland and Ireland and begins the Restoration of the British monarchy.
Charles II lands at Dover in 1660, marking the Restoration of the British monarchy.
A treaty between Pennsylvania and Maryland ends the Conojocular War with settlement of a boundary dispute and exchange of prisoners.
A treaty between Pennsylvania and Maryland in 1738 ends the Conojocular War, settling a boundary dispute.
Births
Chinese emperor of the Song dynasty who reigned from 1067 to 1085 and implemented sweeping government reforms known as the New Policies.
Toghon Temür
Last emperor of the Yuan dynasty who ruled from 1333 to 1368 and witnessed the collapse of Mongol rule in China.
Japanese emperor of the Northern Court during the Nanboku-chō period who reigned from 1348 to 1351.
Jakobus ("James")
15th-century nobleman who held the title Count of Lichtenburg in the Holy Roman Empire.
Catherine of Cleves
Duchess of Guelders who served as regent and patron of the arts during the 15th century.
Camillus de Lellis
Italian saint and founder of the Camillians, celebrated for his reforms in hospital care and dedication to the sick.
Charles Garnier
French Jesuit missionary and martyr who served among Indigenous peoples in New France in the early 17th century.
Claude Buffier
Polish-French historian and philosopher known for his influential works on moral philosophy in the early 18th century.
John Stuart
Scottish nobleman who served as Prime Minister of Great Britain from 1762 to 1763 and tutor to King George III.
Deaths
Li Hong
Tang dynasty crown prince of China and heir to Emperor Gaozong.
Aldhelm
Anglo-Saxon bishop, poet, and scholar influential in the Christianization of Wessex.
Higbald of Lindisfarne
Bishop of Lindisfarne who led the community during the first Viking raid on the monastery.
Xue Yiju
Chancellor of Later Liang during the turbulent Five Dynasties period in China.
Flann Sinna
High King of Ireland from the kingdom of Meath, renowned for his military campaigns and support of monastic centers.
Yao Yanzhang
General who served the Kingdom of Chu during China's Five Dynasties and Ten Kingdoms period.
Abd al-Rahman al-Sufi
Persian astronomer who compiled a foundational star catalog and advanced the study of celestial objects.
First ruler of the Polish state who founded the Piast dynasty and led Poland's Christianization.
Pope known for the Gregorian Reform and asserting papal authority over secular rulers.