Historical clue formulations

• Like Constantinople, in 1930 — 2026-02-22
• Superficially updated — 2010-07-02
• See 73-Across — 2010-02-04
• Handled better? — 2004-05-15
• Like Saigon, today — 1995-09-10
• Like St. Petersburg, in 1991 — 1993-12-26