Historical clue formulations

• Birthplace of the Black Panther Party — 2022-06-10
• A home? — 2020-12-11
• A home in the major leagues? — 2020-01-10
• Hometown of Kamala Harris — 2019-02-23
• City about which Gertrude Stein said "There is no there there" — 2015-09-20
• Bay Area city — 2004-06-22