What important day, started by U.S. Senator Gaylord Nelson (D-Wis), is celebrated in the U.S. on April 22, but by the U.N. on the day of the spring equinox?
what important day, started by u.s. senator gaylord nelson (d-wis), is celebrated in the u.s. on april 22, but by the u.n. on the day of the spring equinox
FreebaseQA-train-1381.P0
april 22
april 22
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time.day_of_year.holidays
m.014xqm
earth day