International Space Day

Worldwide
Organizer:

First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.

International Moon Day (Annual)

Global / Inter-Global
Organizer: Moon Village Association (MVA)

Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations since 2022.