Births on July 23

Pier Paolo Vergerio the Elder, humanist (d. 1444 or 1445)

Pier Paolo Vergerio (the Elder) (23 July, 1370 – 8 July, 1444 or 1445) was an Italian humanist, statesman, pedagogist and canon lawyer.

17 Feb

Battle of Rudau
Northern Crusades: Grand Duchy of Lithuania and the Teutonic Knights meet in the Battle of Rudau.
14 Aug

City privileges
Charles IV, Holy Roman Emperor, grants city privileges to Carlsbad which is subsequently named after him.