 Complete the following phrase:  From 1938 to 1945 it was one of the municipalities in Sudetenland. During World War II, Falkenau was the site of a sub-camp of the Flossenbürg concentration camp. The camp at Falkenau was captured by the U.S. 1st Infantry Division on May 6, 1945. Nearly all of the towns population, being Germans, were expelled after 1945. It was renamed Sokolov in 1948 in honour of the 