After the ceasefire following the Fall of France in June <answer>1940</answer>, Alsace was annexed to Germany and a rigorous policy of Germanisation was imposed upon it by the Gauleiter Robert Heinrich Wagner. When, in July <answer>1940</answer>, the first evacuees were allowed to return, only residents of Alsatian origin were admitted. The last Jews were deported on 15 July <answer>1940</answer> and the main synagogue, a huge Romanesque revival building that had been a major architectural landmark with its 54-metre-high dome since its completion in 1897, was set ablaze, then razed.
In what year was the Fall of France?
1940