Jesse L. Greenwade (born 1907)

In 1907, in the year that Jesse L. Greenwade was born, radiometric dating, a recently discovered technology that could date rocks, found that the earth was 2.2 billion years old which was dramatically older than previously thought. Later refinements and advancements in science would date the age of the earth at over 4.5 billion years.

In 1912, the Girl Scouts of the USA was started by Juliette Gordon Low with the help of Sir Robert Baden-Powell, the founder of Boy Scouts in Great Britain. She said after a meeting with Baden-Powell, "I've got something for the girls of Savannah, and all of America, and all the world, and we're going to start it tonight!" And she did.

In 1939, in May, Disney's Snow White and the Seven Dwarfs, the first full-length animated film, reached a total international gross of $6.5 million which made it (to then) the most successful sound film of all time. First released in December 1937, it was originally dubbed "Disney's Folly" but the premiere received a standing ovation from the audience. At the 11th Academy Awards in February 1939, Walt Disney won an Academy Honorary Award - a full-size Oscar statuette and seven miniature ones - for Snow White.

In 1942, on November 28th at 10:15p, a nightclub in Boston, the Cocoanut Grove, caught fire. The origins of the fire are unknown but it killed 492 people - the deadliest nightclub fire in U.S. history. Hundreds more were injured. The disaster was so shocking that it replaced World War II in the headlines and lead to reforms in safety standards and codes.

In 1952, on February 6th, George VI of England died from a coronary thrombosis and complications due to lung cancer. His eldest daughter, age 25, immediately ascended the throne as Elizabeth II and her coronation was on June 2 1953.