Today's Highlight in History:

On Jan. 3, 1967, Jack Ruby, the man who shot and killed Lee Harvey Oswald, the accused assassin of President John F. Kennedy, died in a Dallas hospital.

On this date:

In 1521, Martin Luther was excommunicated from the Roman Catholic Church by Pope Leo X.

In 1777, Gen. George Washington's army routed the British in the Battle of Princeton, New Jersey.

In 1870, groundbreaking took place for the Brooklyn Bridge.

In 1892, J.R.R. Tolkien, author of the "Lord of the Rings" trilogy, was born in Bloemfontein (BLOOM'-fahn-tayn), South Africa.

In 1911, the first postal savings banks were opened by the U.S. Post Office. (The banks were abolished in 1966.)

In 1938, the March of Dimes campaign to fight polio was established by President Franklin D. Roosevelt, who himself had been afflicted with the crippling disease.

In 1946, William Joyce, the pro-Nazi radio propagandist known as "Lord Haw-Haw," was hanged at Wandsworth Prison in London for high treason.

In 1947, congressional proceedings were televised for the first time as viewers in Washington, Philadelphia and New York got to see some of the opening ceremonies of the 80th Congress.

In 1959, Alaska became the 49th state as President Dwight D. Eisenhower signed a proclamation.

In 1977, Apple Computer was incorporated in Cupertino, California, by Steve Jobs, Steve Wozniak and Mike Makkula Jr.

In 1980, conservationist Joy Adamson, author of "Born Free," was killed in northern Kenya by a former employee.

In 1997, Bryant Gumbel signed off for the last time as host of NBC's "Today" show.

Ten years ago: Gerald R. Ford was laid to rest on the grounds of his presidential museum in Grand Rapids, Michigan, during a ceremony watched by thousands of onlookers. Four Americans and an Austrian abducted in southern Iraq spoke briefly and appeared uninjured in a video delivered to The Associated Press. (The men, security contractors for the Crescent Security Group based in Kuwait, were later killed by their captors.) Former Commerce Secretary C. William Verity Jr., 89, died in Beaufort, South Carolina.

Five years ago: The Iowa Republican Party held its caucuses; although Mitt Romney was originally considered the winner by an extremely narrow eight-vote margin, officials later said that Rick Santorum had in fact beaten Romney by 34 votes; in the Democratic caucuses, President Barack Obama ran unopposed. A gas pipeline in central Syria exploded; the government blamed "terrorists" while the opposition accused officials of playing on fears of religious extremism and terrorism to rally support behind President Bashar Assad.

One year ago: Republican presidential contender Donald Trump brushed off an African militant group's video that showed him calling for Muslims to be banned from coming to the U.S., telling the Sunday news shows he wouldn't be dissuaded from saying what he thought. Saudi Arabia announced it was severing diplomatic relations with Shiite (SHEE'-eyet) powerhouse Iran amid escalating tensions over the Sunni kingdom's execution of a prominent Shiite cleric.