MOMENTS IN TIME The History Channel

• On Feb. 26, 1919, the Grand Canyon national park is established. The chasm drops more than a mile into the earth, and is 15 miles across at its widest point. American geologist John Wesley Powell, who popularized the term “Grand Canyon” in the 1870s, became the first person to journey the entire length of the gorge in 1869.

• On Feb. 27, 1936, Shirley Temple receives a new contract from 20th Century Fox that will pay the 7-year-old star $50,000 a film. Her famous blond ringlets appeared in more than 40 films, including “Bright Eyes,” “Curley Top,” “Wee Willie Winkie,” “Heidi” and “Rebecca of Sunnybrook Farm.”

• On March 1, 1941, Nashville radio station W47NV begins transmitting. The station was the first in the country to receive a license for FM radio transmission. The station started its FM broadcast with a commercial for Nashville’s Standard Candy Company.

• On Feb. 25, 1964, 22-year-old Cassius Clay shocks the odds-makers by dethroning world heavyweight boxing champion Sonny Liston in a seventh-round technical knockout. Two days later, after meeting with Malcolm X, Clay announced he was joining the Nation of Islam. He later took the Muslim name of Muhammad Ali.

• On Feb. 28, 1975, a subway crash in London kills 43 people. The driver of the train apparently made no effort to brake as the train headed toward a dead-end brick wall, leading some to speculate that the crash was a suicide. Following this disaster, the London Underground installed an automatic braking system in end-of-theline locations.

• On Feb. 24, 1982, Wayne Gretzky scores his 77th goal, breaking a record held by Phil Esposito of 76 goals in a single season. When Gretzy retired in 1999 after 20 seasons in the NHL, he was widely considered the greatest player in the history of hockey.

• On Feb. 23, 1997, “Schindler’s List” is shown on NBC, the first network to broadcast a movie without commercial interruption. Ford Motor Company, which sponsored the broadcast, showed one commercial before and after the film. The black-and-white 1993 film won Steven Spielberg his first Academy Award as Best Director.