This explains the “two or three Happenings” discrepancies; there was a matinee Happening on Thursday.
Also: “Globe Poster – Baltimore.”
I’ve had this on my desktop so long, I’ve forgotten where I ganked it. Oh, that’s right, Oldenburg’s print poster & ephemera catalogue raisonne, “>Printed Stuff.
Previously: What’s Happening? Claes Oldenburg’s Stars via Time and Alice Denney
What’s Happening? Tracking Stars, Claes Oldenburg’s 1963 Washington DC Happening