Complex sentence: The German Democratic Republic (GDR), often called East Germany, had founded a separate National Olympic Committee for socialist East Germany on 22 April 1951 in the Rotes Rathaus of East Berlin, as the last of three German Olympic committees of the time.
Split into simpler sentences: The German Democratic Republic (GDR), often called East Germany, founded a separate National Olympic Committee for socialist East Germany on 22 April 1951 in the Rotes Rathaus of East Berlin. This was the last of three German Olympic committees of the time.