On April 25, Anzac Day is observed in Australia and New Zealand. It is a national day of remembrance that honors all those who have given their lives in wars, conflicts, and peacekeeping operations.
World Penguin Day is an annual celebration dedicated to one of the most amazing birds in the world. It is observed on April 25.
Red Hat Society Day is celebrated annually on April 25. It commemorates anniversary of the first meeting of the Red Hat Society, a social organization for women over age 50, that was took place in 1998.
World Malaria Day is a global observance that is held on April 25. It was first observed in 2008 and has been held annually ever since. It is one of the official global public health campaigns currently organized by the World Health Organization.