Complex sentence: After the fall of the Third Reich and the events from this and World War II, Austrians began to develop a more distinct national identity, unlike earlier in the 20th century, in 1987 only 6 percent of the Austrians identified themselves as "Germans".
Split into simpler sentences: After the fall of the Third Reich and the events from this and World War II, Austrians began to develop a more distinct national identity. Unlike earlier in the 20th century, in 1987 only 6 percent of the Austrians identified themselves as "Germans".