International Dance Day is celebrated on April 29. This annual observance was introduced in 1982 by the International Dance Council, an international non-governmental umbrella organization for all forms of dance within UNESCO.
World Tai Chi and Qigong Day (WTCQD, alternative spelling World T'ai Chi and Ch'i Kung Day) is an annual observance that has been held on the last Saturday in April since 1999. It focuses on promoting the related Chinese disciplines of tai chi chuan and qigong.
Day of Remembrance for all Victims of Chemical Warfare is an annual United Nations observance held on April 29. It marks the anniversary of the day the Chemical Weapons Convention entered into force in 1997.
Children of South American countries, including Colombia, suffer many problems. For a long time they were subjected to abuse and mistreatment. Celebration of Children's Day helps change this situation in Colombia. The holiday is annually observed on the last Saturday in April.