303: 1st official Roman edict for persecution of Christians issued by Emperor Diocletian

1525: Battle of Pavia: Holy Roman Emperor Charles V’s troops beat the French. French King Francois I captured, 15,000 killed or wounded

1582: Pope Gregory XIII announces New Style (Gregorian) calendar

1739: Battle of Karnal: Army of Iranian ruler Nadir Shah defeats the forces of the Mughal emperor of India, Muhammad Shah

1821: Agustín de Iturbide and Vicente Guerrero agree to the Plan of Iguala, stating that Mexico will become a constitutional monarchy, Roman Catholicism the official religion and that Peninsulares and Creoles will enjoy equal political and social rights

1868: US House of Representatives vote 126 to 47 to impeach President Andrew Johnson

1946: General Juan Perón first elected President of Argentina

2008: Fidel Castro retires as the President of Cuba due to ill health after nearly fifty years

Source: Onthisday.com