Timeline Monday 17 March 1958

2nd Millennium › 20th Century › 1950s › 1958 › March 1958 › 17 March 1958

Monday 17 March 1958

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All times in UTC · Dashed edge = started before, or continues beyond, this day

Events on Monday 17 March 1958 1

1958 Vanguard 1 launched Oldest satellite still in orbit The United States launched the Vanguard 1 satellite to study Earth's shape and upper atmosphere. It remains the oldest artificial satellite still in orbit.

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