Who's Afraid of the Puerto Rican Day Parade?
Gothamist —
... Well, according to a New York Magazine Intelligencer item, it might be Madison Avenue cafe Via Quadronno. The establishment "closes for just four days each year: Thanksgiving, Christmas, New Year’s, and a certain spring day." ...
Upper East Side Still Fears Puerto Rican Day Parade [Scared Olds And Riches]
Gawker —
... A spokesman claims coincidence. "We close that day every year for internal construction," he says. "The last day of the first week of June." The Puerto Rican Day Parade is on the second Sunday of June each year. "They tell you the day before—they whisper it—‘Don’t come tomorrow,’ a well-heeled regular says. "The clientele starts clucking a few days beforehand, 'This weekend, you know … ’ [NYM via ...

