The idea to celebrate International Mother Language Day came first from Bangladesh. The idea was approved at the 1999 UNESCO General Conference. The day has been observed every year since the year 2000.
As per a study, Moths are vital to pollination in the Himalayan ecosystem of northeast India. The study highlights 91 species of moths as potential pollinators of 21 plant families in Sikkim and Arunachal Pradesh.
World Pangolin Day is celebrated on the "Third Saturday of February" every year. In 2022, the annual World Pangolin Day is being celebrated on 19 February 2022.