Ingenpedia:OnThisDay/December 22


 * AD 69 – Vespasian is proclaimed Emperor of Rome; his predecessor, Vitellius, attempts to abdicate but is captured and killed at the Gemonian stairs.[1]
 * 401 – Pope Innocent I is elected, the only pope to succeed his father in the office.[2]
 * 856 – Damghan earthquake: An earthquake near the Persian city of Damghan kills an estimated 200,000 people, the sixth deadliest earthquake in recorded history.[3]
 * 880 – Luoyang, eastern capital of the Tang dynasty, is captured by rebel leader Huang Chao during the reign of Emperor Xizong.
 * 1135 – Nearly three weeks after the death of King Henry I of England, Stephen of Blois claims the throne and is privately crowned King of England.[4]
 * 1216 – Pope Honorius III approves the Dominican Order through the papal bull of confirmation Religiosam vitam.
 * 1769 – Sino-Burmese War: The war ends with an uneasy truce.
 * 1788 – Nguyễn Huệ proclaims himself Emperor Quang Trung, in effect abolishing on his own the Lê dynasty.[5]
 * 1790 – The Turkish fortress of Izmail is stormed and captured by Alexander Suvorov and his Russian armies.
 * 1807 – The Embargo Act, forbidding trade with all foreign countries, is passed by the U.S. Congress, at the urging of President Thomas Jefferson.