Historical clue formulations

• Justin Trudeau, by birth — 2021-08-22
• Many a Parliament Hill staffer — 2016-11-10
• Citizen of Canada's capital — 2013-01-07
• Senator supporter — 2011-03-05
• Paul Anka or Dan Aykroyd, by birth — 2010-01-10
• Local fan of the N.H.L.'s Senators — 2010-01-03