What major events happened on February 7?

On February 7, several significant events occurred throughout history. In 1964, The Beatles arrived in the United States for the first time, leading to their iconic performance on "The Ed Sullivan Show." In 1984, astronaut Bruce McCandless became the first person to fly untethered in space during a shuttle mission. Additionally, in 1990, the first episode of the long-running animated series "The Simpsons" aired as a standalone show.