International Day of Cleaning Water Reservoirs
International Day of Cleaning Water Reservoirs is held on June 6. Celebrated since 1995. This event in the first decade of the month June is annual. 
Help us
Help us 
This event in many countries of the world since 1995 has been held annually under the leadership of PADI (Professional Association of Diving Instructors - Professional Association of Diving Instructors, which was founded in 1966). On this day, many diving clubs organize trips to local water bodies, where the coastal strip and the bottom are cleaned by scuba divers and coastal support groups.
Similar holidays and events, festivals and interesting facts
World Day Against Speciesism on June 5
International Day for the Fight Against Illegal, Unreported and Unregulated Fishing on June 5 (UN 2017);
International Consultants Day on June 5 (is celebrated on the first Thursday of June);
Ecologist Day in Kazakhstan and Russia on June 5
Arbor Day in New Zealand on June 5
World Day of Verneuil's disease on June 6 (or World Day for Hidradenitis Suppurativa);
European Dental Technicians Day on June 6 (Celebrated on the first Friday of June);
World Donut Day on June 6 (Celebrated on the first Friday of June);
World Transplant Day on June 6
National Black Bear Day in the USA on June 7 (Held on the first Saturday in June);
World Food Safety Day on June 7 (A/RES/73/250);
World Parkour Day on June 7
World Tourette Syndrome Awareness Day on June 7