This Day in History: 0000-05-26

26 May – Feast of St. Vartan (Armenia). Sassanid Persian forces numbering over 200,000 overwhelmed 60,000 Armenians in the Battle of Avarayr, who had risen against Yazdegerd II (r 438-457) after the Emperor challenged their Christian faith (451).
26 May to 13 Aug – Spanish and Tlaxcallān (native) forces under Hernan Cortes defeated an Aztec army, besieged and captured the capital city of Tenochtitlan and destroyed the Aztec Empire (1521).