We introduce the date regarding nuclear disarmament and building peace.

Date	Event
January 22	In 2021, the TPNW entered into force
June 29	In 1982, Strategic Arms Reduction Talks (START) was held in Geneva.
July 1	In 1968, the Nuclear Non-Proliferation Treaty (NPT) was opened for signature
July 7	In 2017, the Treaty On Prohibition Of Nuclear Weapons (TPNW) was adopted
July 16	In 1945, the US conducted the first detonation of a nuclear weapon.
August 6	In 1945, the atomic bomb was dropped on Hiroshima
August 9	In 1945, the atomic bomb was dropped on Nagasaki
August 29	International Day against Nuclear Tests
September 21	International Day of Peace
October 24	In 2020, the number of state parties of TPNW reaches 50