AUSTERLITZ is a battle fought in 1805 during the Napoleonic Wars between the French Empire and the Austrian Empire. The crossword solutions for AUSTERLITZ are SLAV (4 letters), ASTAIRE (7 letters), and MORAVIA (7 letters). SLAV refers to the Slavic people, an ethnic group native to Central and Eastern Europe. ASTAIRE is a reference to Fred ASTAIRE, an American dancer, singer, actor, and choreographer. MORAVIA is a historical region in the Czech Republic.