The correct answer is: A. International Dance Day
International Dance Day is celebrated on April 22 every year. It was first celebrated in 1982 by the International Dance Council, which is an organization that promotes dance around the world. The day is a celebration of dance and its importance in our lives. It is also a day to raise awareness of the many benefits of dance, such as its ability to improve our physical and mental health, and to promote social cohesion.
World Heart Day is celebrated on September 29 every year. It is a day to raise awareness of the importance of heart health and to promote healthy lifestyles. The day is organized by the World Heart Federation, which is an organization that works to prevent heart disease and stroke.
Earth Day is celebrated on April 22 every year. It is a day to celebrate the Earth and to raise awareness of environmental issues. The day is organized by the Earth Day Network, which is an organization that works to protect the environment.
World Mathematics Day is celebrated on March 14 every year. It is a day to celebrate mathematics and its importance in our lives. The day is organized by the International Mathematical Union, which is an organization that promotes mathematics around the world.