Wedi'i ddynodi gan y Cenhedloedd Unedig, sefydlwyd Diwrnod Gwenyn y Byd i gydnabod rôl gwenyn a phryfed peillio eraill i ddatblygu cynaliadwy, diogelwch bwyd a bioamrywiaeth.
Designated by the United Nations, World Bee Day was established to acknowledge the role of bees and other pollinators to sustainable development, food security and biodiversity.