Daily historical facts, events, famous birthdays, world history. Discover what happened today in history.
37-The Roman Senate -annuls Tiberius's will and proclaims Caligula emperor.
235-Emperor Alexander Severus -and his mother Julia Avita Mamaea|Julia Mamaea are murdered by Roman legionary|legionaries near Mogontiacum (modern Mainz), ending the Severan dynasty.
633- Ridda Wars -The Arabian Peninsula is united under the central authority of Caliph Abu Bakr.
1229- Frederick II, Holy Roman Emperor -declares himself King of Jerusalem in the Sixth Crusade.<