A Pace College student in a gas mask "smells" a magnolia blossom in City Hall Park on Earth Day, April 22, 1970, in New York.  (AP Photo)

Today in History: April 22

Inside the story: Photo gallery

Today is Friday, April 22, the 113th day of 2016. There are 253 days left in the year. The Jewish holiday Passover begins at sunset.