May 5 - The Council of Constance condemns the writings of John Wycliffe and asks Jan Hus to recant in public his heresy; after his denial, he is tried for heresy, excommunicated, then sentenced to be burned at the stake.
The Grand Canal of China is reinstated by this year after it had fallen out of use; restoration began in 1411, and was a response by the Yongle Emperor of the Ming Dynasty to improve the grain shipment system of tribute traveling from south to north towards his new capital at Beijing. Hence, the problem with lack of food supply is sufficed by this year.
The Orthodox Church in the lands of the tsardom of Muskovy (actual Russia) separates from the one in Ukraine and Byelorussia, both claiming to be the true Kiev patriarchate.