All Day

Apollo 11, 57th Observation

Global / Inter-Global

First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin; Command Module piloted by Michael Collins.

Neil Armstrong Space Prizes to be Awarded

West Lafayette, Indiana

Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space in the preceding decade are deemed the most consequential for humanity. Prize recipients to be announced on or before July 20, 2026.

Viking 1 Mars Lander 50th Landing Observation Anniversary

Nationwide USA

First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 50 years ago; originally scheduled for July 4, landing was delayed until this day in 1976 due to rough landing site.

International Moon Day (Annual)

Global / Inter-Global

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.