TheInternational Day against NuclearTests is observed on August 29.
It was established on December 2, 2009 at the 64th session of the United Nations General Assembly by the resolution 64/35, which was adopted unanimously.
The International Day for the Remembrance of the Slave Trade and its Abolition is an international day observed on August 23 of each year, the day designated by UNESCO to memorialize the transatlantic slave trade.
23 August marks the European Day of Remembrance for Victims of Totalitarian Regimes proclaimed by the European Parliament in 2008. On 23 August in 1939, just before the outbreak of the Second World War, the Third Reich and the Soviet Union signed an agreement known as the Molotov-Ribbentrop Pact. The ‘Remember. August 23’ campaign aims at recalling their individual stories.