The United Nations has declared that April 6 is the International Day of Sport for Development and Peace.
From the United Nations:
Due to its vast reach, unparalleled popularity and foundation of positive values, sport is ideally positioned to contribute towards the United Nations’ objectives for development and peace. To raise awareness of this potential, 6 April was declared as the International Day of Sport for Development and Peace (IDSDP) by the UN General Assembly. The adoption of this Day signifies the increasing recognition by the United Nations of the positive influence that sport can have on the advancement of human rights, and social and economic development.