911 Viking-monarch Oleg of Kiev-Russia signed a treaty with Byzantines. 1
192 Sultan Saladin and King Richard the lion hearted signed a cease fire.
1537 Danish King Christian III published an Ordinance on the Danish Church which ordered Denmark to convert to Lutheranism and as Norway was then ruled by Denmark, the Norwegians converted as well.
1666 The Great Fire of London began in a bakery on Pudding Lane and will destroy much of the city.