John is a TRIPLE ancestor but his wife Alice Verney is on just one branch of the family tree and his other wife Joan Bruley is only a DOUBLE ancestor.

Historical
1392: China - Yi Songgye, with the aid of the Ming rulers of China, seize the Korean throne from the Koryo dynasty, the Yi dynasty lasts until 1910
1395: Mongolia - Timur sacks Sarai Berke, ending central control of the Mongol Golden Horde
1396: Turkey, Hungary - Ottomans defeat Hungarians at Nicopol
1397: Sweden, Norway, Denmark - Magaret, Queen of Sweden, conquers Denmark and Norway then forms the Kalamar League, a union of all three countries
1398: Mongolia, India - Timur sacks Delhi, causing demise of the Delhi Sultinate, founded back in 1192
1400: Indonesia - Paramesvara founds the Kingdom of Malacca on the Malay peninsular (Indonesia), It soon becomes the leading maritime power in South East Asia
1400: Mongolia, Syria, Russia, Georgia, Iraq - Mongol conqueror Timur Invades Syria after devastating Georgia and Russia, the next year he lays waste to Aleppo, Damascus and Baghdad and the year after that e defeats the Ottoman sultan at the Battle of Angora
1402: Mongolia, Turkey - Timur captures Ottoman Turk Sultan Beyazid I at Angora
1405: Mongolia - Mongol leader Timur dies suddenly while preparing to attack Ming China, the Mongol Empire rapidly falls apart, Timur is buried at Samarkand (Uzbekistan)
1410: Poland, Germany - Battle of Tannenberg, Poles and Lithuanians defeat German Knights, the Peace of Thorn is signed but the Poles failed to gain access to the sea
1412: France - Joan of Arc born in Domremy, France
1415: England, France - Henry V of England defeats French army at Agincourt, Pas de Calais, France, 7,000 French killed, 500 English killed
1415: England - Battle of Agincourt, the English destroy the French, British archers under the command of Henry V were the key to victory, shattering the feudal system
1415: Portugal, Morroco - Portuguese explorer and prince, Henry the Navigator captures Ceuta (Morocco) from the Marind dynasty beginning Portuguese colonization of Africa
1420: China - Upon the death of the Ming emperor, the sSecond Ming Emperor moves the capital of China from Nanking to Peking
1420: England, France - Treaty of Troyes, France (under Philippe) signs a treaty with England (under Henry V) making Henry the king of both countries
1423: England, France, Scotland - Battle of Cravant, after a year of fighting, the English, under the command of John Plantagent, defeat the combined forces of France and Scotland
1424: England, Scotland - After being held in captivity since age 11, the English free James I King of Scotland age 29 after the Earl of Somerset pays 10,000 marks in ransom as a dowry for his daughter Jane, Jane and James are married and James is crowned King of Scotland
1424: France, Italy - Charles VIII King of France Invades Italy and forces Naples to surrender, then Alexander VI organizes the Holy League and forces Charles out of Italy
1428: England, France - War between France and England continues despite various agreements, in 1428 the English beseige Orleans and Joan of Arc, a young girl from Lorrain, is visited by Saint Michael saying that she will have visions and hear voices from God, that convince the French dauphin to provide her with a small army that liberates Orleans, this gives the French new confidence in their conflict with England
1431: France - Joan of Arc enters Comiegne outside Paris and is taken prisoner, held in a tower in Rouen and Charles VII makes no effort to assist her, in 1431 Joan is turned over to the former bishop of the of Beauvais Pierre Cauchon on the assurance she would be convicted of treason against God and is burned at the stake on May 30
1431: Thailand, Cambodia - The Thais capture Angkor, the capital of the Khmer, the Khmer Empire move their capital to the present site of the Cambodian capital of Phnom Penh
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