Bosnia and Herzegovina consists of two autonomous entities: the Republika Srpska and the Federation of Bosnia and Herzegovina. Each entity celebrates its own public holidays. For instance, General Framework Agreement Day is celebrated in the Republika Srpska on November 21.
Do you have any idea, why should you greet today at least ten people with a single and simple word “Hello?”. If you don't know, it's World Hello Day, and it's annually celebrated by people from at least 180 countries on November 21.
Armed Forces Day is celebrated in Greece on November 21. This day coincides with another religious feast of a great importance in Greece, the Entry of the Most Holy Theotokos into the Temple. The feast is known for the Western Christians as the Presentation of the Blessed Virgin Mary.
No Music Day is celebrated by all enthusiasts around the world on November 21. This holiday was introduced in 2005 by Bill Drummond, who wanted to draw attention to the cheapening music and its mindless use in contemporary society.
World Television Day is one of the UN international observances. It is celebrated by all member states on November 21.