What is 21 de marzo?

March 21st is the 80th day of the year (81st in leap years) in the Gregorian calendar. It is the International Day of Forests, as designated by the United Nations, to raise awareness about the importance of forests and trees for the planet's health.

In some countries, March 21 is also celebrated as World Poetry Day, a day to promote the reading, writing, publishing, and teaching of poetry around the world.

In addition, March 21 marks the astronomical beginning of the spring season in the Northern Hemisphere, known as the vernal equinox. On this day, the length of day and night are nearly equal, and it heralds the end of winter and the beginning of warmer weather.

Additionally, March 21 has historical significance in different cultures and regions. It is the anniversary of important events, birthdays of notable individuals, and various celebrations observed by different communities around the world.