Viking 1 landed on Mars on July 20, 1976, the 7th anniversary of the first human landing on the Moon. Viking 1 landed in a place called Chryse, located at 22.5 N, 48 W.
The second lander, Viking 2, reached the surface on September 3, 1976, in a place called Utopia Planitia, located at 48 N, 225.8 W.
Also included [in the hardcopy was] a short piece on the search for life on Mars, written in late 1976 after the primary biology mission had been completed. The results seemed to indicate that the soil is probably lifeless, but there were some ambiguities. Even today, the question of whether there is life on Mars or ever was life on Mars is unanswered.
Viking 1 Early Results, NASA Special Publication 408, U.S. Government Printing Office, Washington, DC, 1976.
