CAIRO – 13 June 2021: On June 13, many important events took place. Important world events:1325 - The traveler Ibn Battuta sets off on his first voyage around the world from his hometown of Tangiers, heading to Mecca to perform the Hajj pilgrimage. 1933 - Hitler approves the establishment of the Gestapo, one of the worst security agencies in the world during the twentieth century.