International Chess Day is annually observed on July 20 around the world. This international observance was created under initiative of the World Chess Federation (FIDE).
The forests of the Central African Republic have been dramatically reduced during 20 years to provide the ground for charcoal production. In 2006 the government of the CAR introduced National Tree Planting Day, an annual event that would help restore forests of the CAR.
Birthdays of the members of the Norwegian Royal House (the king, the queen, the heir apparent and their spouse, and the hair apparent's eldest child) are official flag flying days in Norway. For instance, the birthday of Haakon, Crown Prince of Norway, is celebrated on July 20.