Can’t go; it’s in English.
“The Roshei Yeshivos shlit”a’s, who are great gedolim, took the extremely rare occasion to empty their yeshivos (including the largest Yeshiva of the all – Lakewood) for the Kinus Klal Yisroel Asifa. They never in recent memory have done so (not for rallies, not for tehilim asifas, etc.)”
They did it during the Six Day War to send a message to our government not to abandon Israel.