1) The world's largest diamond, the Cullinan, was discovered in South Africa in 1905 and weighed over 3,000 carats.

2) The world's first speeding ticket was issued in 1902 to a motorist who was driving at the astonishing speed of 45 miles per hour (72 km/h).

3) The word "umbrella" contains three vowels: U, E, and A.

4) The first sound film, "The Jazz Singer," was released in 1927 and marked the transition from silent movies to "talkies."