See also International Beer Day – the first Friday in August.
Celebrated as Brothers and Sisters Day, 31st of May in Europe.
Earth Day is an annual event celebrated around the world on April 22 to demonstrate support for environmental protection.
See also Siblings Day, April 10, celebrated in the U.S.
Celebrated on June 2nd, unless June the 2nd is on the weekend, in which case, it is the following Monday.