On May 26, 451, the Sassanid Empire defeated the Armenians at the battle of Battle of Avarayr, but guaranteed them freedom to openly practice Christianity.
On May 26, 1328, scholastic philosopher and Franciscan friar William of Ockham and other Franciscan leaders secretly exited Avignon, fearing a death sentence from Pope John XXII. On the same day in 1538, the city of Geneva expelled John Calvin and his followers, who headed to exile in Strasbourg.