History · Anniversaries
50th anniversary: The Viking 1 lander became the first spacecraft to successfully land on Mars...
Mon, July 20, 2026
4 mo ago
In 1976, The Viking 1 lander became the first spacecraft to successfully land on Mars and perform its mission.
Also on Jul 20, 2026
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 50 years (1976 to 2026).
- Recurs
- annual
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- Changes
- None recorded.