the correct answer was 1951 ?Perfect score two days in row!!
I only got the "I Love Lucy" question correct due the Americocentrism of SDC Trivia. Australia didn't have television until 1956 which meant 1960 was the only correct answer otherwise.
Einstein's theory of relativity revolutionized the way we understand space, time, and gravity. His famous formula E=mc^2 describes the relationship between energy and mass, and is a cornerstone of modern physics.