On this date

In 1521, Martin Luther went before the Diet of Worms (vohrms) to face charges stemming from his religious writings. (Luther was later declared an outlaw by Holy Roman Emperor Charles V.)

In 1895, the Treaty of Shimonoseki ended the first Sino-Japanese War.

In 1924, the motion picture studio Metro-Goldwyn-Mayer was founded, the result of a merger of Metro Pictures, Goldwyn Pictures and the Louis B. Mayer Co.

In 1937, cartoon character Daffy Duck made his debut in the Warner Bros. animated short “Porky’s Duck Hunt,” directed by Tex Avery.

In 1964, Ford Motor Co. unveiled the Mustang at the New York World’s Fair.

In 1970, Apollo 13 astronauts James A. Lovell, Fred W. Haise and Jack Swigert splashed down safely in the Pacific, four days after a ruptured oxygen tank crippled their spacecraft while en route to the moon.

In 1972, the Boston Marathon allowed women to compete for the first time; Nina Kuscsik was the first officially recognized women’s champion, with a time of 3:10:26.

Ten years ago: Danny Federici, the keyboard player for Bruce Springsteen, died in New York City at age 58.

Five years ago: Fifteen people were killed when a fertilizer plant exploded in West, Texas.

One year ago: Opening his first White House Easter Egg Roll, President Donald Trump extolled the strength of America as thousands of kids, and some adults, reveled in the time-honored tradition of rolling hard-boiled eggs across the manicured lawn in his backyard.