TODAY IN HISTORY

Today is Thursday, Oct. 1, the 275th day of 2020. There are 91 days left in the year.

On Oct. 1, 2017, a gunman opened fire from a room at the Mandalay Bay casino hotel in Las Vegas on a crowd of 22,000 country music fans at a concert below, leaving 58 people dead and more than 800 injured in the deadliest mass shooting in modern U.S. history; the gunman, 64-year-old Stephen Craig Paddock, killed himself before officers arrived.

On this date:

■ In 1908, Henry Ford introduced his Model T automobile to the market.

■ In 1910, the offices of the Los Angeles Times were destroyed by a bomb explosion and fire; 21 Times employees were killed.

■ In 1957, the motto “In God We Trust” began appearing on U.S. paper currency.

■ In 1961, Roger Maris of the New York Yankees hit his 61st home run during a 162-game season, compared with Babe Ruth’s 60 home runs during a 154-game season. (Tracy Stallard of the Boston Red Sox gave up the round-tripper; the Yankees won 1-0.)

■ In 1962, Johnny Carson debuted as host of NBC’s “Tonight Show,” beginning a nearly 30-year run.

■ In 1971, Walt Disney World opened near Orlando, Florida.

■ In 1982, Sony began selling the first commercial compact disc player, the CDP-101, in Japan.

One year ago: Democratic presidential candidate Bernie Sanders was diagnosed with a heart attack at a Las Vegas hospital, where he’d been taken after experiencing chest discomfort at a campaign event.

Today’s Birthdays: Former President Jimmy Carter is 96. Actor-singer Julie Andrews is 85. Actor Stella Stevens is

82. Baseball Hall-of-Famer Rod Carew is 75. Jazz musician Dave Holland is 74. Actor Yvette Freeman is 70. Actor Randy Quaid is 70. Singer Youssou N’Dour is 61. Actor Esai Morales is 58. Retired MLB All-Star Mark McGwire is 57. Actor Christopher Titus is 56. Actor-model Cindy Margolis is 55. Producer John Ridley is

55. Rock singer-musician Kevin Griffin (Better Than Ezra) is 52. Actor Zach Galifianakis is 51. Singer Keith Duffy is 46. Actor Sherri Saum is 46. Actor Katie Aselton is 42. Actor Sarah Drew is 40. Actor Carly Hughes is 38. Actor Jurnee Smollett-Bell is 34. Singer/songwriter Jade Bird is

23. Actor Priah Ferguson is 14. Actor Jack Stanton is 12.