Historical
1455: England - War of the Roses begins, a civil war between the houses of Lancaster and York and is limited to English nobility, the first battle was the Battle of St. Albans which took place near London, the Yorkist defeat the Royalist forces
1456: Portugal, Cape Verde Islands - Alivse da Cadamosto, employed by Henry the Navigator, discovers the Cape Verde Islands off the African coast near Dakar, the Islands are soon settled by the Portuguese who began to use It for the slave trade
1460: England - Battle of Wakefield, Queen Margaret of Anjou defeats and kills Richard Duke of York
1461: England - Battle of Towton Moors, in the War of Roses, the Royalist who wore red roses to battle are defeated by the Yorkist wearing white roses, Edward is crowned Edward IV King of England
1462: Turkey - Ottoman Sultan Muhammad II defeats Vlad IV ("Vlad the Impaler") of Walachia
1471: England - Battle of Tewkesbury, in the War of the Roses, Edward IV marries Elizabeth Woodville and is soon ousted by Earl of Warwick so that King Henry can return, Warwick is killed in the Battle of Barnet and Henry was returned to prison and Immediately killed and Margaret, his wife, continues the struggle but at the Battle of Tewkesbury her son is killed and she is captured
1471: Vietnam - Le Thanh-ton begins the Kingdom of Annam by capturing Vijaya the capital of the Cham (Vietnam)
1472: Turkey - Ivan III the Great marries the neice of the last Byzantine Emperor, It Increases Ivans prestige and helps him unify the various Russian principalities
1475: England, France - Treaty of Picquinty England's Edward IV Invaded France in support of the Burgundians. Edward was bought off by a payment and the promise of an annual allowance by Louus XI under the terms of the Treaty of Picquinty
1477: France - Battle of Nancy, Swiss fighting for Louis XI, kill Charles the Bold, the last of the Burgundy claimants to the throne, ends the constant battles for the French crown
1479: Italy, Turkey - Venice loses naval war to Turkey, together with most of her territories along the Aegean Sea
1479: Portugal, Spain - Treaty of Alcacovas, Portugal abandons Its claim to the both Castillian throne and the Canary Islands, in turn, Spain recognizes Portuguese primacy in Azores Islands along with the north and west African coasts
1480: Russia - Ivan III of Moscow assumes position of Tsar of Russia
1480: Turkey, Italy - Treaty of Constantinople ends the fifteen year war between the Ottomans and Venice, Venice is forced to cede cities along the Albanian coast and pay for the right to trade in the Black Sea