Explanation

The Great Clock was installed in 1859 and started on 31 May.

The Great Bell, Big Ben, began striking on 11 July 1859.

Big Ben is a clock at the British Parliament building.

It is located in London, England 

The Architect was Augustus Pugin

Its height is 96 m 

Additional information:

History.

Elizabeth Tower, originally named the Clock Tower, and popularly known as "Big Ben",

It was built as a part of Charles Barry's design for a new Palace of Westminster

after the old palace was largely destroyed by fire on 16 October 1834.