International Day Against Homophobia, Transphobia and Biphobia
International Day Against Homophobia, Transphobia and Biphobia is held on May 17. This event in the second decade of the month may is annual.
International Day of Light on May 16 (initiated by UNESCO on November 14, 2017);
International Day of Living Together in Peace on May 16 (adopted by the UN on December 8, 2017);
National Hoarding Awareness Week in UK on May 17 (held from the third Monday of May);