Today in history

On April 16, 1963, Martin Luther King Jr. wrote his “Letter from Birmingham Jail” in which the civil rights activist responded to a group of local clergymen who had criticized him for leading street protests; King defended his tactics, writing, “Injustice anywhere is a threat to justice everywhere.”

In 1789, President-elect George Washington left Mount Vernon, Virginia, for his inauguration in New York.

In 1862, during the Civil War, President Abraham Lincoln signed a bill ending slavery in the District of Columbia. The Confederacy conscripted all white men between the ages of 18 to 35.

In 1912, American aviator Harriet Quimby became the first woman to fly across the English Channel, leaving Dover, England, and arriving near Calais, France, in 59 minutes.

In 1947, the cargo ship Grandcamp, carrying ammonium nitrate, blew up in the harbor in Texas City, Texas; a nearby ship, the High Flyer, which was carrying ammonium nitrate and sulfur, caught fire and exploded the following day; the blasts and fires killed nearly 600 people. At the South Carolina statehouse, financier Bernard M. Baruch declared: “Let us not be deceived — we are today in the midst of a cold war.”

In 1972, Apollo 16 blasted off on a voyage to the moon with astronauts John W. Young, Charles M. Duke Jr. and Ken Mattingly on board.