Example image of eyePlorer eyePlorer map for '1420': Julian calendar Leap year starting on Monday Roman numerals Charles VI of France Henry V of England May 21 Treaty of Troyes Henry the Navigator May 25 June 7 Patriarchate of Aquileia Republic of Venice Udine 1372 China Iran Lanzhou Ming Dynasty October 22 Pontoon bridge Shah Rukh (Timurid dynasty) Timurid dynasty Yellow River Yongle Emperor João Gonçalves Zarco Madeira Portuguese people Battle of Vyšehrad Bohemia Hussite Wars Sigismund, Holy Roman Emperor Catherine of Valois Grace Dieu (ship) Beijing Forbidden City Temple of Heaven Nanjing 1350 1351 1473 1474 1480 1481 1490 Andrew of Wyntoun Antoinette de Maignelais August 9 Epiphanius the Wise Jean Fouquet John III, Burgrave of Nuremberg