What is march 21?

March 21 is the 80th day of the year (81st in leap years) in the Gregorian calendar. There are 285 days remaining until the end of the year.

Some significant events that have occurred on March 21 include:

• In 1963, the Alcatraz Federal Penitentiary in San Francisco Bay closed.
• In 1965, Civil rights activists led by Martin Luther King Jr. began a march from Selma to Montgomery, Alabama, to protest the denial of voting rights to African Americans.
• In 2006, Twitter, the social media platform, was founded.
• In 1999, Bertrand Piccard and Brian Jones completed the first non-stop balloon flight around the world.

March 21 is also recognized as International Day of Forests by the United Nations to raise awareness about the importance of forests and trees for the environment and sustainable development. Additionally, it is National Fragrance Day in the United States, celebrating the power of scents and memories.