Fay (26 June 2016)
"More on the Full Moon / Summer Solstice"

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.