|Place of origin:||London, England|
Big Ben was the name of the clock tower on one end of the Houses of Parliament.
In 1892, Clara Oswald, while serving as a governess under the alias Miss Montegue, claimed to her young charges that she was born behind Big Ben's face. She explainted that it accounted for her acute sense of time. (TV: The Snowmen)
In 2006, Big Ben was destroyed by a Slitheen craft, which sheared it in half. (TV: Aliens of London) This was seen by Elton Pope among many witnesses. (TV: Love & Monsters) Reconstruction proceeded shortly afterwards. (TV: The Christmas Invasion) Shortly after Big Ben was rebuilt, the last Steggosian attempted to release a deadly poison from the tower, but the Tenth Doctor stopped him. (PROSE: The Eyeless)
In 2009, in an alternate timeline created by Sarah Jane's actions in 1951 in which the world was destroyed, Luke, Sarah and the Trickster stood near the remains of Big Ben. (TV: The Temptation of Sarah Jane Smith)
In 2167, the chimes of Big Ben rang for the first time in years to celebrate the end of the 22nd century Dalek invasion after the First Doctor defeated the Daleks. Despite the initial bombardment prior to the invasion, Big Ben was unscathed. It still stood thirty years later. (TV: The Dalek Invasion of Earth, PROSE: Legacy of the Daleks)
Alternate timelines & universes
In the Trickster's World, Sarah Jane and Luke Smith stood on the rubble of Big Ben in the 21st century, and the Houses of Parliament, surveying the obliterated remains of London. Sarah Jane was revolted by what she had unwittingly caused by altering the timeline on 18 August 1951. (TV: The Temptation of Sarah Jane Smith)