FYI: "Saturday in the Park," released in 1972, was likely talking about Saturday, July 4, 1970:
rld@Intrepid:~$ for x in {1960..2026}; do cal july $x |grep -q " 4 *$" && echo $x; done1964197019811987199219982009201520202026
Because, obviously, we only ever take things literally around here. XD
cc: @amin
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