Historical clue formulations

• ___ House, residence for visiting dignitaries in Washington — 2026-06-10
• "The Facts of Life" girl — 2025-10-12
• Serena's best friend on "Gossip Girl" — 2021-11-17
• Former British P.M. Tony — 2021-05-31
• ___ Waldorf, the so-called "Queen B" on "Gossip Girl" — 2021-04-11
• "The ___ Witch Project" — 2019-11-14
• ___ House (Washington landmark) — 2017-07-25
• Former British P.M. Tony — 2017-03-13
• Tony ___, 1990s-2000s British P.M. — 2016-11-28
• Former British P.M. Tony — 2009-07-20
• Britain's P.M. until 2007 — 2007-07-31
• "The ___ Witch Project" — 2005-09-26
• First Labor P.M. to win consecutive terms — 2005-03-20
• British P.M. Tony — 2004-09-06
• British P.M. Tony — 2001-12-17
• Major's successor — 1999-12-23
• Washington's ____ House — 1995-10-04
• Washington's _____ House — 1994-04-27