• World Digestive Health Day is observed every year by the World Gastroenterology Organisation, in collaboration with the WGO Foundation.
• Nepal celebrates Mt. Everest Day on May 29 every year in memory of the first summit of Mt. Everest by Sir Edmund Hillary and Tenzing Norgay.
• The Global Day of Parents is observed on June 1 every year.
• World Hunger Day is observed every year on 28 May.