World Brain Day: Observed annually on July 22, World Brain Day is aimed at raising awareness about brain health and the prevalence of neurological disorders. This day was first observed in 2014 by the World Federation of Neurology.
National Hammock Day: This day is celebrated annually on July 22 in the United States. It is a day to enjoy the relaxing and comfortable experience of lounging in a hammock, which is a popular outdoor furniture item.
Pi Approximation Day: Observed on July 22 every year, Pi Approximation Day is a humorous celebration of the mathematical constant pi (π), which is approximately equal to 22/7 or 3.14. This day is a tribute to the mathematical concept of approximation and is often celebrated with math-related activities and puns.
International Mango Festival: Celebrated annually on July 22-23 in New Delhi, India, the International Mango Festival is a two-day event that celebrates the mango fruit, which is widely considered the national fruit of India. The festival features mango exhibitions, tastings, competitions, and other activities that showcase the different varieties of mangoes grown in India.
1796: Surveyors Andrew Ellicott and Benjamin Banneker begin surveying the boundaries of the new federal district that will become Washington, D.C.
1934: Notorious bank robber John Dillinger is shot and killed by FBI agents outside the Biograph Theater in Chicago.
1946: The bombing of the King David Hotel in Jerusalem by Zionist militants kills 91 people and injures 46 others.
1962: Mariner 1, the first spacecraft to be launched in the NASA’s Mariner program, is destroyed shortly after liftoff due to a guidance system error.
2011: Anders Behring Breivik carries out two terrorist attacks in Norway, killing a total of 77 people.