Big Ben 1859-2009

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 Clock 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.

Inside the Clock Tower

Want to know what goes on behind the scenes? Take an online tour and find out how the Great Clock keeps going.

Facts and figures

How high? How heavy? How accurate? Everything you ever wanted to know about Big Ben

Key dates

Key dates

Find out about the history of the Clock Tower; from the first medieval clock tower built in the old Palace of Westminster to the design and construction of the present Clock Tower and its 150th anniversary in 2009

Big Ben downloads

Big Ben downloads and e-cards

Download Big Ben ringtones, banners and wallpapers

Frequently asked questions

Frequently asked questions

Find the answers to some of the frequently asked questions about the Clock Tower

Race Against Chime

Big Ben's clock dial needs a good clean in time for its 150th anniversary party. Can you swing to the rescue?

Play this addictive game by Parliament's Education Service, produced for Big Ben's 150th anniversary in 2009.