Anti-Bullying Day is held on May 4. The United Nations has recognized the epidemic of bullying that is gripping our schools and had dedicated May 4th as U.N. Anti-Bullying Day. This event in the first decade of the month may is annual.
International Chernobyl Disaster Remembrance Day on April 26 (A/RES/71/125);
International Day of Living Together in Peace on May 16 (adopted by the UN on December 8, 2017);
International Day of Light on May 16 (initiated by UNESCO on November 14, 2017);
World Bee Day on May 20 (On this day Anton Janša, the pioneer of beekeeping, was born in 1734);
International Day for the Fight Against Illegal, Unreported and Unregulated Fishing on June 5 (UN 2017)