Pix by Indika Mayadunne
Big Ben

The name Big Ben is often used to describe the tower, the clock and the bell but the name was first given to the Great Bell.

The Elizabeth Tower was completed in 1859 and the Great Clock started on 31 May, with the Great Bell's strikes heard for the first time on 11 July and the quarter bells first chimed on 7 September.

http://www.parliament.uk