Oct. 20 (UPI) -- On this date in history:
In 1818, the United States and Britain agreed to establish the 49th parallel as the official boundary between the U.S. and Canada.
In 1918, Germany accepted U.S. President Woodrow Wilson's terms to end World War I.
In 1944 American troops landed on the eastern coast of Leyte Island in the Philippines. Gen. Douglas MacArthur, forced off the island two years earlier said as he strode ashore, "I have returned."
In 1947, the U.S. House of Representatives Un-American Activities Committee opened public hearings into alleged communist influence in Hollywood.
In 1968, former first lady Jacqueline Kennedy married Greek shipping tycoon Aristotle Onassis on the Greek island of Skorpios.
In 1973, during the Watergate scandal, U.S. President Richard Nixon dismissed two officials for refusing to fire special prosecutor Archibald Cox. The incident became known as the "Saturday Night Massacre."
In 1977, members of Lynyrd Skynyrd, including lead singer Ronnie Van Zant and guitarist Steve Gaines, were killed in the Mississippi crash of a plane chartered by the rock band. Twenty people survived the crash.
In 1982, up to 340 soccer fans were crushed to death in a stampede on icy steps in a Moscow stadium passageway during a match between Soviet and Dutch players.
In 1994, Hollywood star Burt Lancaster died at the age of 80.
In 2004, retired Gen. Susilo Bambang Yudhoyono was sworn in as Indonesia's sixth president after winning the country's first direct elections for head of state.
In 2011, deposed Libyan dictator Moammar Gadhafi was killed as he tried to escape from his hometown hideout in the coastal city of Sirte while troops, including NATO forces, closed in. Gadhafi, 69, ousted from power in a massive revolt two months earlier, had ruled Libya for 42 years.
In 2017, Pixar's Coco premiered at the Morelia International Film Festival in Mexico. It was the first movie with a nine-figure budget to feature an all-Latino principal cast.
In 2018, President Donald Trump said the United States planned to pull out of the Intermediate-Range Nuclear Forces treaty, accusing Russia of violating the agreement.