Palace of Westminster (Houses of Parliament) Timeline

1016
King Canute begins building a royal residence on Thorney Island where the Palace of Westminster now stands.
1042
Construction of the Palace of Westminster
1097
William Rufus, the son of William the Conqueror, builds the original Westminster Hall.
1220
King Henry III redesigns the Queen's Chapel, Queen's Chamber and King's Chamber (later known as the Painted Chamber) in the Palace of Westminster.
1220
The Exchequer (finance department) moves from Winchester to the Palace of Westminster in London.
1259
First recorded mention of Parliament being opened in the Painted Chamber of Westminster Palace.
1292
Edward I begins constructing St. Stephen's Chapel and the Chapel of St Mary Undercroft in the Palace of Westminster.
1394
Richard II rebuilds Westminster Hall in the Houses of Parliament to its present form.
1512
Westminster Palace becomes the permanent home of the Houses of Parliament after King Henry VIII abandons it in favor of the nearby Palace of Whitehall.
5 Nov 1605
Failure of the Gunpowder Plot in London
1649
Charles I Condemned
1717
Sir Christopher Wren alters the Commons Chamber of the Houses of Parliament to accommodate new Scottish MPs following the Union.
1801
As part of his alterations to the Commons Chamber to make room for new Irish MPs, James Wyatt rips out medieval furnishings and destroys medieval wall paintings.
7 Jun 1832
The Reform Act
16 Oct 1834
Tally-Sack Fire at Houses of Parliament
1835
A Parliamentary Committee concludes that the Palace of Westminster should be rebuilt in the Gothic or Elizabethan style and opens a design competition. This is won by the architect Charles Barry, who chose the Gothic style.
1840
Construction begins on new Palace of Westminster in Gothic Revival style
1847
The Lords Chamber is completed.
1852
The Commons Chamber of the Houses of Parliament is completed and its architect, Charles Barry, is knighted.
1852
Constitution Act
1860
Victoria Tower is completed.
1870
Reconstruction of Palace of Westminster completed
4 Jun 1940
Churchill makes "We Shall Fight on the Beaches" speech
11 May 1941
Commons Chamber Destroyed
1943
The Commons decides that its new chamber in the Houses of Parliament should have a similar design to the destroyed original. They appoint the natural choice for the job, renowned Gothic Revival architect Sir Giles Gilbert Scott.
1948
Construction of the new Commons Chamber to designs by Sir George Gilbert Scott.
29 May 1951
The House of Commons having been rebuilt, the House of Lords returns to its original chamber in the Houses of Parliament.
5 Feb 1970
Houses of Parliament designated a Grade I listed building
1981
Major restoration program begun on the Houses of Parliament.
1990
Restoration of Victoria Tower at the Houses of Parliament.
2000
Portcullis House completed at the Houses of Parliament.