Weimar Germany was the name given to the period of German history from 1919 until 1933. It got its name from the fact that the constitution for the post war republic was drawn up at the town of Weimar in South Eastern Germany.eimar Germany was the name given to the period of German history from 1919 until 1933. It got its name from the fact that the constitution for the post war republic was drawn up at the town of Weimar in South Eastern Germany.