"To teaching friends: I use this in high school as a formative assessment before moving on. I don't have a poster or anything, but it really helps you get a grasp on where the class stands on a tough concept." I might make a poster!!!
Having just arrived in the United States that February, four mop-topped, grinning guys from England landed on the cover of Life after being greeted by thousands of fans in New York City and 73 million viewers on The Ed Sullivan Show. The Beatles’ appearance marked the start of music’s British Invasion and signaled a change in rock and roll forever. | Life Magazine • August 28, 1964