​Add these to the This Week in History section of your composition book:

• Feb. 18, 1930 – Using a 13-inch telescope, Clyde W. Tombaugh, a 24-year old with no formal training in astronomy, discovered Pluto

• Feb. 19, 1878 – American inventor Thomas Edison patents the phonograph

• Feb. 19, 1942 – U.S. President Franklin D. Roosevelt signs the executive order allowing the internment of Japanese Americans during WWII

• Feb. 19, 2008 – Fidel Castro formally resigns as president of Cuba

• Feb. 20, 1872 – The Metropolitan Museum of Art opens to the public in New York City