Events from the year 1958 in the United States.
January 31: Explorer 1
, the first American satellite
- January 8 – 14-year-old Bobby Fischer wins the United States Chess Championship.
- January 18 – Battle of Hayes Pond: Armed Lumbee Indians confront Klansmen in Maxton, North Carolina.
- January 28 – Hall of Fame baseball player Roy Campanella is involved in an automobile accident that ends his career and leaves him paralyzed.
- January 31 – The first successful American satellite, Explorer 1, is launched into orbit.
- February 5 – The Tybee Bomb, a 7,600 pound (3,500 kg) Mark 15 hydrogen bomb, is lost in the waters off Savannah, Georgia.
- February 11 – Ruth Carol Taylor is the first African American woman hired as a flight attendant. Hired by Mohawk Airlines, her career lasts only six months, due to another discriminatory barrier—the airline's ban on married flight attendants.
- February 20 – A test rocket explodes at Cape Canaveral.
- February 28 – Prestonsburg, Kentucky bus disaster: One of the worst school bus accidents in U.S. history occurs at Prestonsburg, Kentucky; 27 are killed.
- March 8 – The USS Wisconsin is decommissioned, leaving the United States Navy without an active battleship for the first time since 1896 (it is recommissioned October 22, 1988).
- March 11 – A U.S. B-47 bomber accidentally drops an atom bomb on Mars Bluff, South Carolina. Its conventional explosives destroy a house and injure several people, but no nuclear fission occurs.
- March 17 – The United States launches the Vanguard 1 satellite.
- March 19 – Monarch Underwear Company fire in New York.
- March 24 – The U.S. Army inducts Elvis Presley, transforming The King Of Rock & Roll into U.S. private #53310761.
- March 26 – The United States Army launches Explorer 3.
- March 26 – The 30th Academy Awards ceremony took place; The Bridge on the River Kwai wins 7 Academy Awards, including Academy Award for Best Picture.
- April – Unemployment in Detroit reaches 20%, marking the height of the Recession of 1958 in the United States.
- April 15 – The San Francisco Giants beat the Los Angeles Dodgers 8–0 at San Francisco's Seals Stadium, in the first Major League Baseball regular season game ever played in California.
- April 21 – A United Airlines DC-7 and U.S. Air Force F-100 Super Sabre fighter jet collide near Las Vegas, Nevada, killing all 49 aboard the two aircraft.
- May 9 – Actor-singer Paul Robeson, whose passport has been reinstated, sings in a sold-out one-man recital at Carnegie Hall. The recital is such a success that Robeson gives another one at Carnegie Hall a few days later. But after these two concerts, Robeson is seldom seen in public in the United States again. His Carnegie Hall concerts are later released on records and on CD.
- May 12 – A formal North American Aerospace Defense Command agreement is signed between the United States and Canada.
- May 13 – During a visit to Caracas, Venezuela, Vice President Richard M. Nixon's car is attacked by anti-American demonstrators.
- May 20 – A Capital Airlines airliner and Air National Guard jet collide near Brunswick, Maryland, killing 12.
- May 23 – Explorer 1 ceases transmission.
- May 30 – The bodies of unidentified soldiers killed in action during World War II and the Korean War are buried at the Tomb of the Unknowns in Arlington National Cemetery.
- June 2 – In San Simeon, California, Hearst Castle opens to the public for guided tours.
- June 17 - The US slams the excution of Imre Nagy as a "shocking act of cruelty".
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