World Veterinary day was proclaimed in 2000 by the World Veterinary Association and it is celebrated on the last Saturday of April every year. In 2020, World Veterinary Day will be celebrated on April 25th

Earth Day falls on April 22. And this year marks 50 years since the first celebration in 1970.

Arbor Day is celebrated on March 21. It is not a national holiday but instead schools nationwide celebrate this day with environment-related activities, namely tree planting