Sunday before Easter is Palm Sunday. The feast exists both in Western and Eastern Christianity, but falls on different dates.
Pesah, or Passover is one of the most significant Jewish holidays. It commemorates the liberation of the Jewish people from slavery in ancient Egypt and the story of the Exodus. This festival commences on Nisan 15 and lasts for seven days in Israel and for eight days in the diaspora.
World Day for Laboratory Animals, also known as World Day for Animals in Laboratories or World Lab Animal Day, is an annual global observance held on April 24. It was established in 1979 by the National Anti-Vivisection Society (NAVS) based in the United Kingdom.
World Veterinary Day is a global professional observance celebrated annually on the last Sunday in April. It was established in 2000 by the World Veterinary Association (WVA).