World Sparrow Day
On March 20 World Sparrow Day is held. This march event in the second decade of the month is annual.
UN French Language Day on March 20 (United Nations) and International Francophonie Day (Organisation internationale de la Francophonie);
International Colour Day on March 21 (The adoption of an international day of colour was proposed in 2008 by the Portuguese Color Association, whose president, Maria Joao Durao, presented the idea to the International Colour Association. The proposal was agreed in 2009 among the members of this society, which is composed of national associations and members representing more than 30 countries);