The total value of an artist’s artworks sold at auction over a specific period. This metric reflects the artist’s overall market activity and demand in monetary terms. The middle value of all realized ...

Explore the key events of the Battle of Britain with clips from over 50 years of BBC television and radio programmes The Battle of Britain was the German air force's attempt to gain air ...

During the summer of 1940, a few hundred fighter pilots stood in the way of Hitler's massive air attack on England. One hundred Canadians were among them. Dubbed the Battle of Britain, it was the ...