Historical clue formulations

• The "S" of S.F. — 2026-05-11
• ___ Marzano tomato — 2026-05-02
• With 44-Down, home of the U.S.'s most-visited municipal zoo — 2026-04-05
• Start of many a Latin American city name — 2025-11-23
• ___ Marino — 2025-08-20
• Japanese honorific — 2025-07-06
• __ Juan, Puerto Rico — 2025-06-23
• Japanese honorific — 2025-06-01
• Spanish word on a U.S. map — 2025-05-17
• ___ Francisco — 2025-05-12
• ___ Bernardino — 2025-04-01
• Three, in Chinese — 2025-03-28
• ___ Quentin, Calif. — 2024-11-27
• ___ Juan — 2024-10-16
• The "S" of U.C.S.D. — 2024-06-19
• Japanese honorific — 2024-02-02
• ___ José, Costa Rica — 2023-11-28
• Japanese honorific — 2023-03-19
• California's ___ Fernando Valley — 2022-11-21
• ___ Jose — 2022-11-01
• Japanese honorific — 2022-03-29
• ___ Jose, Calif. — 2022-03-22
• Eastern honorific — 2021-12-18
• ___ Juan — 2021-11-19
• ___ Ysidro, Calif. — 2021-10-28
• ___ Andreas fault — 2021-10-18
• Japanese honorific — 2021-07-18
• ___ Jose — 2021-06-17
• Hokkaido honorific — 2021-04-28
• Japanese honorific — 2021-01-31
• ___ Salvador — 2020-02-16
• ___ Antonio, Tex. — 2020-01-20
• ___ Rafael, Calif. — 2019-12-09
• The "S" of S.F. — 2019-09-16
• Start of many Mexican city names — 2019-08-15
• ___ Luis Obispo — 2019-07-07
• ___ Juan — 2019-06-28
• ___ Joaquin Valley — 2019-05-15
• First word of many California city names — 2019-03-20
• Lead-in to Francisco or Pedro — 2019-02-13
• José de ___ Martín, national hero of Argentina — 2018-12-22
• Part of U.C.S.F. — 2018-12-09
• ___ Marino — 2018-10-14
• ___ Dimas, Calif. — 2017-11-26
• ___ Gabriel Mountains — 2017-10-29
• Title of politeness — 2017-04-29
• ___ Juan, Puerto Rico — 2017-03-27
• Japanese honorific — 2016-11-26
• Japanese honorific — 2016-10-16
• ___ Marcos, Tex. — 2016-10-14