Explanation:
☢️ 1. United States 🇺🇸
First nuclear test: 16 July 1945 — Trinity Test
☢️ 2. Soviet Union / Russia 🇷🇺
First nuclear test: 29 August 1949
☢️ 3. United Kingdom 🇬🇧
First nuclear test: 3 October 1952
☢️ 4. France 🇫🇷
First nuclear test: 13 February 1960
☢️ 5. China 🇨🇳
First nuclear test: 16 October 1964
☢️ 6. India 🇮🇳
First nuclear test: 18 May 1974 — Pokhran-I
☢️ 7. Pakistan 🇵🇰
First nuclear tests: 28 May 1998 — Chagai-I
Status: First Muslim-majority country to openly test nuclear weapons.
☢️ 8. North Korea 🇰🇵
First nuclear test: 9 October 2006
☢️ 9. Israel 🇮🇱
Nuclear test: No officially confirmed nuclear test.