Historical clue formulations

• House of ___ — 2021-12-10
• Some workers at Westminster — 2020-06-12
• Nobles — 2011-12-13
• Royal court members — 2009-05-17
• Some members of Parliament — 2006-12-26
• The ___ Prayer — 2006-10-02
• Christmas leapers, in song — 1998-08-30
• ___ Prayer — 1997-11-30
• The ___ Prayer — 1997-04-29
• London cricket ground — 1996-07-18
• Some nobility — 1995-08-10
• 10th-day-of-Christmas gift — 1994-01-11