Historical Events Mar 6 Treaty of Alcaçovas: Portugal gives the Canary Islands to Castile in exchange for claims in West Africa Famous Birthdays Mar 12 Giuliano de' Medici, Italian ruler of Florence (1513-16), born in Florence (d. 1516) Mar 26 Vasili III of Russia, Great Prince of Moscow (1505-33), son of Ivan III (d. 1533) Born in 1479 1478 History by Year 1480 Historical Figures Authors Civil Rights Activists Inventors Kings Revolutionaries Scientists