Original: King Rudolph I of Germany declares war on King Otakar II of Bohemia , a political rival ; by November , Otakar II is forced to cede four important territories as demanded by the diet of Nuremberg in 1274 .
Simplified: June - King Rudolph I of Germany starts a war with King Otakar II of Bohemia ; by November , Otakar II has to give him four important pieces of land .