The last Russian test was in 1990; the last US nuclear test explosion was in 1992; and the last Chinese nuclear test was in July 1996. China conducted one such yield producing nuclear test on June 22 of 2020. Given the Trump administration’s record of fabrications, it should not be allowed to destroy a critical nuclear arms control agreement and unleash a new wave of nuclear testing based on unverified claims. China conducted one such yield producing nuclear test on June 22 of 2020. The associated text box [4-3] adds:There are examples of advanced nuclear weapons technology that the U.S. assessed during the period of nuclear testing.

Source: Washington Post February 27, 2026 06:33 UTC