Yarmouk: Arab Armies Crush Byzantium, Reshape History
Khalid ibn al-Walid's decisive victory at Yarmouk shatters Byzantine defenses, handing Syria and Palestine to Arab forces in a single stroke. This defeat triggers the rapid expansion of Islam beyond Arabia, permanently shifting the region's religious and political landscape away from Constantinople's control.
August 20, 636
1390 years ago
Key Figures & Places
What Else Happened on August 20
Agrippa Postumus, the last surviving grandson of Augustus, was executed by his guards while in exile on the island of Planasia — almost certainly on orders from…
Tsar Simeon I crushed the Byzantine army at the Battle of Anchialus, securing a decisive victory that shattered the empire's military prestige. This rout forced…
Tsar Simeon I crushed the Byzantine army at the Battle of Acheloos, ending the empire's dominance in the Balkans. This victory forced Constantinople to recogniz…
Stephen I received a papal crown and declared Hungary a Christian kingdom, transforming a confederation of Magyar tribes into a recognized European state aligne…
Saint Stephen consolidated the Hungarian state by formally adopting Christianity and receiving a crown from the Pope, effectively integrating his people into th…
Pope Gregory VII elevates Stephen I and his son Emeric to sainthood, transforming their legacy from royal rulers into spiritual patrons. This 1083 decree cement…
Talk to History
Have a conversation with historical figures who witnessed this era. Ask questions, explore perspectives, and bring history to life.