May 1971
Month of 1971
1971
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May 1, 1971:
Amtrak
begins operations for all U.S. passenger train service
May 25, 1971: Soviet
Tu-144
supersonic plane first brought to the West
May 11, 1971: The
margarita
becomes the first mass-produced cocktail
[
1
]
May 20, 1971:
U.S. Boeing 2707 "SST"
supersonic plane development cancelled
The following events occurred in
May 1971
:
^
attribution:Jon Sullivan