Number of seats in the House of Commons since 1801
The number of seats contested in general elections to the House of Commons from 1801 to today. Items of legislation enabling changes to the number of seats are listed.
Addresses to Members of both Houses of Parliament
Heads of state and dignitaries who have addressed MPs and Members of the House of Lords since 1935.
English and Welsh (from 1536) Parliaments held away from Westminster
English and Welsh (from 1536) parliamentary sessions held away from Westminster and parliamentary sessions that were planned to meet away from Westminster but did not assemble.
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Research Briefing
Meeting places of Parliament at Westminster
Meeting places of the House of Commons and the House of Lords when sitting at Westminster.