By The Associated Press

Today is Saturday, Dec. 21, the 355th day of 2019. There are 10 days left in the year. Winter arrives at 11:19 p.m. Eastern time.

Today’s Highlight in History:

On Dec. 21, 1988, 270 people were killed when a terrorist bomb exploded aboard a Pam Am Boeing 747 over Lockerbie, Scotland, sending wreckage crashing to the ground.

On this date:

In 1620, Pilgrims aboard the Mayflower went ashore for the first time at present-day Plymouth, Massachusetts.

In 1861, President Abraham Lincoln signed a congressional act authorizing the Navy Medal of Honor.

In 1864, during the Civil War, Union forces led by Maj. Gen. William T. Sherman concluded their “March to the Sea” as they captured Savannah, Georgia.

In 1891, the first basketball game, devised by James Naismith, is believed to have been played at the International YMCA Training School in Springfield, Massachusetts. (The final score of this experimental game: 1-0.)

In 1913, the first newspaper crossword puzzle, billed as a “Word-Cross Puzzle,” was published in the New York World.

In 1914, the U.S. government began requiring passport applicants to provide photographs of themselves.

In 1945, U.S. Army Gen. George S. Patton, 60, died in Heidelberg, Germany, 12 days after being seriously injured in a car accident.

In 1967, Louis Washkansky, the first human heart transplant recipient, died at a hospital in Cape Town, South Africa, 18 days after receiving the donor organ. The satirical comedy-drama “The Graduate,” starring Anne Bancroft and Dustin Hoffman, was released by Embassy Pictures.

In 1968, Apollo 8 was launched on a mission to orbit the moon.

In 1969, Vince Lombardi coached his last football game as his team, the Washington Redskins, lost to the Dallas Cowboys, 20-10.

In 1991, eleven of the 12 former Soviet republics proclaimed the birth of the Commonwealth of Independent States and the death of the Union of Soviet Socialist Republics.

In 1995, the city of Bethlehem passed from Israeli to Palestinian control.

Ten years ago: President Barack Obama hailed a crucial, early-morning test vote in the Senate on his health care overhaul, in which all 58 Democrats and two independents held together against unanimous Republican opposition. The Obama administration imposed a 3-hour limit on how long airlines can keep passengers waiting inside planes delayed on the ground. A Russian rocket blasted off from Kazakhstan, shuttling an American, a Russian and a Japanese to the International Space Station.