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American astronomer

April 13 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 13 in History 1111 – Henry V is crowned Holy Roman Emperor. 1204 – Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire. 1612 – Miyamoto Musashi defeats Sasaki Kojirō at Funajima island. 1613 – Samuel Argall, having captured Native American princess Pocahontas in Passapatanzy, Virginia, sets off with her to Jamestown with the intention…

April 11 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 11 in History 491 – Flavius Anastasius becomes Byzantine emperor, with the name of Anastasius I. 1241 – Batu Khan defeats Béla IV of Hungary at the Battle of Mohi. 1512 – War of the League of Cambrai: French forces led by Gaston de Foix win the Battle of Ravenna. 1544 – Italian War of 1542–46: A French army defeats Habsburg forces at the Battle of Ceresole, but fails to…

April 9 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 9 in History 190 – Dong Zhuo has his troops evacuate the capital Luoyang and burn it to the ground. 475 – Byzantine Emperor Basiliscus issues a circular letter (Enkyklikon) to the bishops of his empire, supporting the Monophysite Christological position. 537 – Siege of Rome: The Byzantine general Belisarius receives his promised reinforcements, 1,600 cavalry, mostly of Hunnic or Slavic origin and expert bowmen. He starts, despite shortages, raids against the Gothic camps…

April 8 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 8 in History 217 – Roman Emperor Caracalla is assassinated. He is succeeded by his Praetorian Guard prefect, Marcus Opellius Macrinus. 632 – King Charibert II is assassinated at Blaye (Gironde), along with his infant son Chilperic. 876 – The Battle of Dayr al-‘Aqul saves Baghdad from the Saffarids. 1093 – The new Winchester Cathedral is dedicated by Walkelin. 1139 – Roger II of Sicily is excommunicated. 1149 – Pope Eugene III takes refuge in the castle of Ptolemy II of Tusculum. 1232 – Mongol–Jin War:…

April 6 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 6 in History 46 BC – Julius Caesar defeats Caecilius Metellus Scipio and Marcus Porcius Cato (Cato the Younger) at the Battle of Thapsus. 402 – Stilicho defeats the Visigoths under Alaric in the Battle of Pollentia. 1250 – Seventh Crusade: Ayyubids of Egypt capture King Louis IX of France in the Battle of Fariskur. 1320 – The Scots reaffirm their independence by signing the Declaration of Arbroath. 1327 – The poet Petrarch first sees his idealized love, Laura, in the church…

April 2 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 2 in History 1513 – Spanish explorer Juan Ponce de León first sights land in what is now the United States state of Florida. 1755 – Commodore William James captures the Maratha fortress of Suvarnadurg on west coast of India. 1792 – The Coinage Act is passed establishing the United States Mint. 1800 – Ludwig van Beethoven leads the premiere of his First Symphony in Vienna. 1800 – The Treaty of Constantinople establishes the Septinsular Republic, the first autonomous Greek state…

March 31 – History, Events, Births, Deaths, Holidays and Observances On This Day

It is the last day of the first quarter of the year. March 31 in History 307 – After divorcing his wife Minervina, Constantine marries Fausta, daughter of the retired Roman Emperor Maximian. 1146 – Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade. Louis VII is present, and joins the Crusade. 1492 – Queen Isabella of Castile issues the Alhambra Decree,…

March 22 – History, Events, Births, Deaths, Holidays and Observances On This Day

March 22 in History 106 – Start of the Bostran era, the calendar of the province of Arabia Petraea. 238 – Gordian I and his son Gordian II are proclaimed Roman emperors. 871 – Æthelred of Wessex is defeated by a Danish invasion army at the Battle of Marton. 1508 – Ferdinand II of Aragon commissions Amerigo Vespucci chief navigator of the Spanish Empire. 1621 – The Pilgrims of Plymouth Colony sign a peace treaty with Massasoit of the Wampanoags. 1622 – Jamestown massacre: Algonquians kill 347 English…

March 14- History, Events, Births, Deaths, Holidays and Observances On This Day

March 14 in History 1590 – Battle of Ivry: Henry of Navarre and the Huguenots defeat the forces of the Catholic League under Charles, Duke of Mayenne, during the French Wars of Religion. 1647 – Thirty Years’ War: Bavaria, Cologne, France and Sweden sign the Truce of Ulm. 1663 – According to his own account, Otto von Guericke completes his book De Vacuo. 1674 – The Third Anglo-Dutch War: The Battle of Ronas Voe results in the Dutch East…