Visitor information (from the museum's notice): 3024 Peck Rd, El Monte, CA 91732 · Tue–Sun 10:00–16:00, closed Mondays, free admission · jinian64.org · Source: opening notice
| Date | Record | Source |
|---|---|---|
| 2021-09-14 | June 4th Memorial Association registered in New York State | Wikipedia (Chinese) |
| 2021-12-27 | Founding announcement; preparatory committee: Wang Dan, Yan Jiaqi, Su Xiaokang | Museum notice |
| 2022-01-10 | Proposal “Never Forget, Never Give Up”, signed by 59 committee members | Wikipedia (Chinese) |
| 2022-06-03 | “Tiananmen 1989” exhibit opens at the Victims of Communism Museum, Washington, D.C. | Wikipedia (Chinese) |
| 2022-09-15 | About US$520,000 raised; second fundraising phase completed | Museum notice |
| 2022-12-16 | Washington exhibit closes | Museum media page |
| 2023-06-02 | New York museum opens (chair Wang Dan, director David Yu) | Museum statement · Wikipedia (Chinese) |
| 2023-06-25 | New York museum opens to the public | Museum notice |
| 2024-09 | Decision to relocate to Los Angeles | Wikipedia (Chinese) |
| 2025-06-02 | Museum reopens in El Monte, Los Angeles County; director Wang Dan | Museum notice · Opening speech |
| 2026-05-31 | Break-in and vandalism with spray paint; El Monte police open a case | Museum statement |
| 2026-07-08 | CECC co-chair Chris Smith and House Select Committee chair John Moolenaar ask the Acting Attorney General to investigate | Museum repost · Museum statement |