The International Day of Light is being celebrated on 16 May each year, the anniversary of the first successful operation of the laser in 1960 by physicist and engineer, Theodore Maiman.
Kenton Cool, a British mountaineer, has successfully climbed the summit of Mount Everest 16th time. He is the first non-Nepalese and the first British citizen to do so.
World Hand Hygiene Day (WHHD) is being celebrated across the globe on the 5th of May to maintain global promotion, visibility, and sustainability of hand hygiene in health care.
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