Historical
1435: England, France - Duke Philip of Burgundy, weary of his alliance with the English, signs a peace treaty with Charles VI which recognizes Charles as the one king of France who in turn promises to punish the murders of Philip's father, however, the English do not accept the peace treaty and warfare continues. Charles and Philip fight together and liberate Paris, a truce between Britain and France lasts thirteen years
1438: Peru - Inca Dynasty in Peru (it lasts until 1553) begins, Its founder is said to have been Pachacutec who rapidly expands the empire
1439: Italy, Turkey - Treaty between Roman Catholic Church and Eastern Orthodox Church
1444: Turkey - Battle of Varna, Murad the Ottoman sultan attacks on Its Belgrade but is repeled, encouraged by victory, the Christians, whose goal has been to drive the Ottomans from Europe, declare a new Crusade led by Hunyadi
1450: Germany - Johannes Gutenberg Invents the printing press which revolutionizes communication and education, allows the development of newspapers and reasonably priced books, the first product printed is the Guttenberg Bible
1453: England, France - Battle of Castillon, French king Charles VI becomes the first king to maintain a standing army and attempts to reclaim Normandy defeat the English led by Talbot thus ending the Hundred Years War when the English surrender last outpost in Aquitaine
1453: Turkey - The ten century old Byzantine Empire ends when Muhammad II of Turkey captures Constantinople by hauling seventy small ships across land along with cannon that breached the wall of Constantinople
1454: Italy - Treaty of Lodi ends hostilities between Venice, Milan and Florence, the treaty was reached due to the efforts of Pope Nicholas V
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