Congress of Arras
The Treaty of Arras is promulgated, causing Burgundy to switch sides in the Hundred Years' War.
21 Eylül — Tarihte Bugün
Geçmişte bugün yaşanan olaylar, doğumlar, ölümler ve tatiller. Türkçe ve İngilizce Vikipedi kaynaklı kapsamlı arşiv.
55
Olay
290
Doğum
102
Ölüm
18
Tatil
18
Öne çıkan
Olaylar
21 Eylül 2026 · İngilizce Vikipedi · 55 kayıt · Sayfa 6 / 6
Livonian Crusade
Livonian Crusade: The Estonian leader Lembitu and Livonian leader Caupo of Turaida are killed in the Battle of St. Matthew's Day.
Anglo-Norman invasion of Ireland
Anglo-Norman invasion of Ireland: The Kingdom of Dublin falls to Anglo-Norman invaders.
Avitus
Emperor Avitus enters Italy with a Gallic army and consolidates his power.
Roman emperor
Western Roman Emperor Valentinian III murders his general Flavius Aetius on instigation of eunuch Heraclius and senator Petronius Maximus.