January 6 –Elvis Presley appears onThe Ed Sullivan Show for the third and final time. He is only shown from the waist up, even during the gospel segment, singing "Peace In The Valley".Ed Sullivan describes Elvis thus: "This is a real decent, fine boy. We've never had a pleasanter experience on our show with a big name than we've had with you. You're thoroughly alright."
February 25 – The "Boy In The Box" is discovered along a sidewalk in Philadelphia. The murder victim is described as Caucasian in appearance and 4 to 6 years old; the boy was identified as Joseph Augustus Zarelli in 2022.[2]
March 22 – The 5.7 MwSan Francisco earthquake shook the Bay Area in California with a maximumMercalli intensity of VII (Very strong), causing $1 million in losses, one death and forty injuries.
March 26 – 22-year-oldElvis Presley buysGraceland on 3734 Bellevue Boulevard (Highway 51 South) for $100,000. He and his family move from the house on 1034 Audubon Drive.
March 31 –Rodgers and Hammerstein'sCinderella, the team's only musical written especially for television, is telecast live and in color by CBS, starringJulie Andrews in the title role. The production is seen by millions, but this 1957 version is not telecast again for more than 40 years, when akinescope of it is shown.
June 15 –Oklahoma celebrates its semi-centennial statehood. A brand new 1957Plymouth Belvedere is buried in a time capsule (to be opened 50 years later on June 15, 2007).
August 5 –American Bandstand, a local dance show produced byWFIL-TV in Philadelphia, joins the ABC Television Network.
August 21 – U.S. PresidentDwight D. Eisenhower announces a 2-year suspension of nuclear testing.
August 28 – United States SenatorStrom Thurmond (D-SC) sets the record for the longestfilibuster with his 24-hour, 18-minute speech railing against a civil rights bill.
Operation Dropshot, an all-out U.S. war with the Soviet Union, is expected to be triggered by the Soviet takeover of Western Europe, the Near East and parts of Eastern Asia, as it was anticipated in 1949.