tv/ movies: What U K comedy series was centred around Grace Bros department store?

Questions

In 1914 Germans defeat Russians in Battle of---------- . ?

In 1920 ---------- amendment passes -- women's suffrage granted (about time!). ?

In 1972 Summer Olympics opened in---------- , West Germany. ?

In 1973 University of Texas at ---------- becomes the first accredited school to offer a course in belly dancing. ?

In 1973 Women's ---------- Day. ?