Point of Divergence (Austria and others)

Between the various points of divergence of this ATL of Austria and others to the OTL,in which you can't point only one divergence point,the three more known are;

1066 - the Norman Army is defeated at the Battle of Wintonceastre,thus faling in conquest all the territory of England.in the following years,the Anglo-Normans will also fail at conquer Ireland,Wales,Isle of Man and Cornwall.

1914 - Breakout of the World War I.Austria-Hungary, at the time, under a political reform proccess,do not take part on the war.

1916 - created the United States of Greater Austria,which succeed Austria-Hungary.

there are also other points,but a great part of them won't trigger much drastical changes.