On this day in Europe - 11 May
11 May 2026
On this day in 330, Constantine I dedicates Byzantium as the new capital of the Eastern Roman Empire.
On this day in 1189, Holy Roman Emperor Frederick I Barbarossa and 100 000 crusaders depart for the Third Crusade.
On this day in 1800, naturalist Jean-Baptiste Lamarck gives his first lecture outlining his theories of evolution.
On this day in 1998, the first Euro coins are minted in Bordeaux, 3½ years before they become legal tender.
On this day in 1189, Holy Roman Emperor Frederick I Barbarossa and 100 000 crusaders depart for the Third Crusade.
On this day in 1800, naturalist Jean-Baptiste Lamarck gives his first lecture outlining his theories of evolution.
On this day in 1998, the first Euro coins are minted in Bordeaux, 3½ years before they become legal tender.