May 22 is the 142nd day of the year in the Gregorian calendar, with 223 days remaining until the end of the year. It is often associated with various historical events, celebrations, and observances around the world. One notable observance on May 22 is the International Day for Biological Diversity, which aims to raise awareness about the importance of preserving biodiversity and ecosystems. This day encourages global efforts to protect the planet's diverse species and habitats, highlighting the need for sustainable practices.