International Day of Women's Health
International Day of Women's Health is held on May 28. This event in the third decade of the month may is annual.
Mother's Day in Bolivia on May 27 (Día de la Madre);
Menstrual Hygiene Day on May 28 (It was initiated by the German-based NGO WASH United in 2014 and aims to benefit women and girls worldwide. Menstrual Hygiene Day has received the support of over 270 global partners who are committed to making MHM a priority worldwide.);
Sun Awareness Week in Canada on May 28 (May 28 - June 3);
Day of Honoring Elders in Venezuela on May 29 (as “Parents' Day” or “Grandparents Day”);
World Digestive Health Day on May 29 (On the 29th of May 1958, the last day of the First World Congress of Gastroenterology which took place in Washington, an assembly of distinguished gastroenterologists announced the foundation of the World Gastroenterology Organisation was born.)