Gathering information wherever I can. The rabbit hole gets deeper. According to the third link at the bottom of the page (please read all the articles - fascinating) the Full Moon coincided with the Summer Solstice in 1948 AND 1967. It is a VERY rare occurrence and seems to have cycles of 19 years or multiples of 19.

Monday Is Both the June Solstice and the Full Moon. How Rare Is That?

				Monday Is Both the June Solstice and the Full Moon. How ... Monday we have both the June (summer) solstice and a full Moon. This happens only every 19 years at best.
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Tonight's strawberry moon solstice: last seen during 1967's summer of love

				Tonight's strawberry moon solstice: last seen during 196... Crowds will descend on Stonehenge this evening to celebrate a momentous meeting of sun and moon – after which, we won’t see another like it for 46 years
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Full Moon and the Summer Solstice

				Full Moon and the Summer Solstice The picture is sunshine at midnight in Alaska (from J. Davies-USGS). Today, we have the rare combination of a full moon AND The Summer Solstice. The last time th...
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