May 11 – History, Events, Births, Deaths, Holidays and Observances On This Day
May 11 in History 330 – Constantinople is consecrated. 868 – A copy of the Diamond Sutra is printed in China, making it the oldest known dated printed book. 912 – Alexander becomes Emperor of the Byzantine Empire. 1745 – War of the Austrian Succession: French forces defeat an Anglo-Dutch–Hanoverian army.…