1054

Events

 * February — Battle of — Normans defeated a French army as it was caught pillaging and plundering.  of France withdrew his main army from Normandy as a result.
 * , a representative of, and , of , decree each other's . Most historians look to this act as the final step in the initiation of the  between the  and  .  In 1965, those excommunications were rescinded by   and Patriarch  when they met in the .  However, to this day each church claims to be the  and each denies the other's right to that name.
 * — The  is recorded by the,  and possibly  near the star ζ . For 23 days it remained bright enough to be seen in daylight. Its remnants form the  (NGC 1952).

Deaths

 * — (b. )
 * The death of, the most well-known prince of who ruled during the high point of the state's golden age.
 * The death of, the most well-known prince of who ruled during the high point of the state's golden age.