What is "what holiday is april 21?

There are several holidays and observances that fall on April 21st, including:

  1. National Tea Day: Celebrated in the United Kingdom to promote and celebrate tea culture and the tradition of afternoon tea.

  2. San Jacinto Day: Commemorates the Battle of San Jacinto, which took place on April 21, 1836, during the Texas Revolution.

  3. Yellow Day: A holiday celebrated by the youth in South Korea to show affection and appreciation towards their significant others by giving them gifts with a yellow theme.

  4. Earth Day in some regions: In some countries, April 21st is observed as Earth Day, a day dedicated to raising awareness and taking action to protect the environment.

  5. Orthodox Easter: In certain years, April 21st falls on Orthodox Easter Sunday, which is celebrated by Eastern Orthodox Christians to commemorate the resurrection of Jesus Christ.

These are just a few examples of holidays and observances that may fall on April 21st, depending on the country and culture.