Explanation

Women's Equality Day is celebrated in the United States on August 26 to commemorate the 1920 adoption of the Nineteenth Amendment (Amendment XIX) to the United States Constitution, which prohibits the states and the federal government from denying the right to vote to citizens of the United States on the basis of sex.

It was first celebrated in 1972, designated by Congress in 1973, and is proclaimed each year by the United States President.

Explanation

international day of the victims of enforced disappearances is observed on 30 August by UNO.

With the aim to raise awareness about the global problem of enforced disappearances.

The observance was established by the UN General Assembly in 2010, and it is marked annually on 30 August.
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Explanation

• The Fat Man was dropped on Nagasaki, Japan, on August 9, 1945, at 11:01 AM.
• The atomic bomb pm Nagasaki was dropped on 9 August 1945.
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•  The United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki On August 9, 1945. 
• The two bombings killed between 129,000 and 226,000 people
  
• “Fat Man” dropped an atomic bomb at 11:02 that morning.
• Little Boy was the name of the Atomic Bomb dropped on the city of Hiroshima
  
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Explanation

 World Senior Citizens’ Day is observed annually on August 21 to recognise the contributions and experiences of older people.

The day highlights issues concerning senior citizens, including healthcare, financial security, social inclusion and dignity.

 It also promotes healthy ageing and intergenerational respect. The observance was first proclaimed in 1988 by U.S. President Ronald Reagan.

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Explanation

World Mosquito Day, observed annually on 20 August, is a commemoration of British doctor Sir Ronald Ross's discovery in 1897 that female anopheline mosquitoes transmit malaria between humans.