Battle of Hormozdgan (224): Ardashir I Founds Sasanian Persia
Ardashir I killed Artabanus IV and overthrew the Parthian Arsacid dynasty, founding the Sasanian Empire, which lasted until 651.
Every Chronicle article on world history, newest first: battles, empires, disasters, discoveries and revolutions.
Ardashir I killed Artabanus IV and overthrew the Parthian Arsacid dynasty, founding the Sasanian Empire, which lasted until 651.
Much of Hamburg was destroyed and an estimated 34,000–42,000 civilians were killed, most of them in the firestorm of 27–28 July.
Victory for the pro-Treaty Irish Free State government; anti-Treaty forces were ordered to dump their arms in May 1923.
British victory; Asante was annexed as a British colony in 1902, but the Golden Stool itself was never surrendered.
Mexico adopted a constitution combining a federal republic with far-reaching social rights; much amended, it remains in force today.
Ammonia could be synthesised from atmospheric nitrogen and hydrogen on an industrial scale, making cheap nitrogen fertiliser and explosives possible.
Decisive Prussian victory that ended the Austro-Prussian War in Prussia's favour and excluded Austria from German affairs.
A Mongol dynasty ruled Iran and Iraq for about eighty years, converted to Islam in 1295 and broke apart after 1335.
Decisive crusader victory; Saladin's army was routed and he retreated to Egypt with heavy losses.
Edward III created a fellowship of 26 knights under St George that survives as Britain's highest order of chivalry.
Athelstan took York, ending the Viking kingdom there for a time, and was recognised as overlord by the rulers of northern Britain.
Decisive Ottoman victory; King Władysław III and Cardinal Cesarini were killed and the Crusade of Varna collapsed.