National Astronaut Day is observed worldwide every year on May 5 to celebrate the bravery of individuals who travel through space. This day commemorates Alan Shepard's historic flight on May 5, 1961, when he became the first American to journey into space. The holiday was inaugurated in 2016 by uniphi space agency, which represents former astronauts and promotes their stories through various initiatives. Events organized for National Astronaut Day are often family-friendly and can be attended virtually, allowing global participation. Activities may include watching documentaries about space exploration or reading biographies of astronauts, such as Chris Hadfield's "An Astronaut’s Guide to Life on Earth." The day emphasizes the diverse backgrounds of astronauts and aims to inspire people to pursue their dreams.