Apr 29   Battle at Monte Levunium: Emperor Alexius I beats Petshegenes.   

May 31   Hendrik van Verdun, bishop of Luik (1075-91), dies.   

Jun 17   Dirk V, count of Holland (1061-91), dies.   

Jun 17   Floris II de Vette is recorded as becoming earl of Holland   

Oct 23   Tornado (possible T8/F4) strikes the heart of London killing 2 and demolishing the then wooden London Bridge   

May 31   Hendrik van verdun: Bishop of luik (1075-91),   

Jun 17   Dirk v: Count of holland (1061-91),