The International Day of the Air Traffic Controller, celebrated on 20 October each year, marks the anniversary of IFATCA (International Federation of Air Traffic Controllers' Associations), which was founded on 20 October 1961.
World Vegetarian Day is observed annually around the planet on 1 October. It is a day of celebration established by the North American Vegetarian Society in 1977 and endorsed by the International Vegetarian Union in 1978, "To promote the joy, compassion and life - enhancing possibilities of vegetarianism."
World Humanitarian Day is observed annually on 19 August around the world to pay tribute to aid workers who risk their lives in humanitarian service. This day also honour the work of women in crises throughout the world.