September 29
Overview
Holidays & Observances
Christianfeast day:
Charles, Duke of Brittany, Hripsime, Jean de Montmirail, Theodota of Philippi, September 29 (Eastern Orthodox liturgics), theArchangelsMichael,Gabriel, andRaphael. One of the fourquarter daysin theIrish calendar. (England and Ireland). CalledMichaelmasin some western liturgical traditions.
The Feast of the Archangels Michael, Gabriel, and Raphael on September 29 celebrates these archangels and other saints, and marks Michaelmas, one of the traditional Irish quarter days.
Inventors' Day(Argentina)
Inventors' Day in Argentina celebrates the ingenuity and achievements of inventors, fostering innovation and creativity across the nation.
Victory of Boquerón Day(Paraguay)
Victory of Boquerón Day commemorates Paraguay’s decisive early victory in the Battle of Boquerón during the Chaco War, a source of national pride.
World Heart Day
World Heart Day is a global awareness day dedicated to educating people about cardiovascular health and prevention of heart disease.
Charles, Duke of Brittany
Hripsime
Jean de Montmirail
Theodota of Philippi
September 29 (Eastern Orthodox liturgics)
Events
Pompey the Great celebrates his third triumph for victories over the pirates and the end of the Mithridatic Wars on his 45th birthday.
On his 45th birthday in 61 BC, Roman general Pompey the Great held his third triumph in Rome, celebrating victories over Mediterranean pirates and the end of the Mithridatic Wars.
Danes capture Canterbury after a siege, taking Ælfheah, archbishop of Canterbury, as a prisoner.
Danish Viking forces capture Canterbury after a siege in 1011, seizing Archbishop Ælfheah as a hostage.
Frederick II, Holy Roman Emperor, is excommunicated by Pope Gregory IX for his failure to participate in the Crusades during the Investiture Controversy.
Holy Roman Emperor Frederick II is excommunicated by Pope Gregory IX in 1227 for defying calls to lead a Crusade during the Investiture Controversy.
The Treaty of Montgomery recognises Llywelyn ap Gruffudd as Prince of Wales, but only as a vassal of King Henry III.
The Treaty of Montgomery in 1267 recognizes Llywelyn ap Gruffudd as Prince of Wales, albeit as a vassal under King Henry III of England.
During the Hundred Years' War, Anglo-Breton forces defeat the Franco-Breton army in Brittany, ending the War of the Breton Succession.
Anglo-Breton forces defeat the Franco-Breton army in Brittany in 1364, ending the War of the Breton Succession during the Hundred Years' War.
During the French War of Religion, Protestant coup officials in Nîmes massacre Catholic priests in an event now known as the Michelade.
Known as the Michelade, Protestant officials in Nîmes massacre Catholic clergy during a coup in 1567 amidst the French Wars of Religion.
Tegucigalpa, capital city of Honduras, is claimed by the Spaniards.
Spanish conquistadors claim Tegucigalpa, the site of modern-day Honduras' capital, for the Spanish Empire in 1578.
The Cossacks of the Russian Empire kill about 800 people overnight in Hailuoto during the Great Wrath.
During the period known as the Great Wrath in 1714, Cossack forces of the Russian Empire massacre around 800 residents of Hailuoto.
An earthquake strikes Antigua Guatemala, destroying much of the city's architecture.
A devastating earthquake strikes Antigua Guatemala in 1717, causing widespread destruction of its colonial architecture.
Births
Pompey
Roman general and statesman of the late Republic, member of the First Triumvirate alongside Caesar and Crassus, renowned for his eastern campaigns and defeat of Mediterranean piracy.
Margaret of England
Queen consort of Scotland from 1251 to 1275, daughter of Henry III of England and Eleanor of Provence.
Portuguese prince and military leader known for his devout nature and tragic captivity following the Tangier expedition.
Michael Servetus
Spanish physician and theologian who first described pulmonary circulation and was later executed for his unorthodox religious views.
John Lesley
Scottish Catholic bishop and historian who served as a diplomat and loyal supporter of Mary, Queen of Scots.
Miguel de Cervantes
Renowned Spanish novelist and playwright, best known for authoring the landmark novel Don Quixote.
William V
Duke of Bavaria (r. 1579–1597) noted for his devout Catholic reforms and patronage of the arts during the Counter-Reformation.
Adriaan van Roomen
Flemish priest and mathematician celebrated for his work on algebraic equations and the classical Problem of Apollonius.
Ludovic Stewart
Scottish nobleman and courtier who served as 2nd Duke of Lennox and influential advisor to King James I of England.
Deaths
Leudwinus
Frankish archbishop and saint known for founding the abbeys of Mettlach and Tholey and shaping the Carolingian church.
Lothair I
Carolingian emperor who ruled Middle Francia and strove to maintain unity among his brothers.
William of Tyre
Archbishop of Tyre and chronicler whose Historia provides a detailed history of the Crusader kingdoms.
Arnaud Amalric
Cistercian abbot and papal legate who played a controversial role in the Albigensian Crusade.
Guido I da Montefeltro
Italian condottiero and military strategist famed for his expertise during the 13th-century Italian conflicts.
John de Warenne
English nobleman and military commander who fought in the wars of King Edward I.
Charles I
Duke of Brittany whose reign was marked by alliances with the French crown and regional power struggles.
Izz al-Din ibn Rukn al-Din Mahmud
Malik of Sistan who governed a medieval Iranian principality during the 14th century.
Andrew Stewart
Scottish bishop who served the Catholic Church and played a role in 15th-century ecclesiastical affairs.