Today marks the beginning of Camp Quest in Ohio, which runs through the 28th. It is also the birthday of Jean-Paul Sartre (June 21, 1905 - April 15, 1980).
Yesterday was the Summer Solstice. AP covered the "Druids, New Agers and people just looking for a party" that converged for Summer Solstice At Stonehenge.
Also see:
Scientific reasons for Earth's seasons
Summer solstice celebrations:ancient and modern