The International Children's Book Day (ICBD) is organized annually on the 2nd of April since 1967, by the International Board on Books for Young People (IBBY).
NHPC Limited (erstwhile National Hydroelectric Power Corporation) under the Ministry of Power, Government of India signed a Memorandum of Understanding district administration of Chamba, Himachal Pradesh for the development of green hydrogen technologies to produce hydrogen.
The International Day of Multilateralism and Diplomacy for Peace has established on December 12, 2018, through a UN resolution and has first is being celebrated on April 24, 2019.