Vera Taylor (born 1914)

In 1914, in the year that Vera Taylor was born, in August, the world's first red and green traffic lights were installed at the corner of East 105th Street and Euclid Avenue in Cleveland Ohio. The electric traffic light had been invented by a policeman in Salt Lake City Utah in 1912.

In 1940, on July 27th, the cartoon character Bugs Bunny debuted in his first film A Wild Hare - voiced by Mel Blanc. He has since appeared in more short films, feature films, compilations, TV series, music records, comic books, video games, award shows, amusement park rides, and commercials than any other cartoon character. He even has a star on the Hollywood Walk of Fame. "What's up, Doc?"

In 1976, The United States celebrated the Bicentennial of the adoption of the Declaration of Independence. It was a year long celebration, with the biggest events taking place on July 4th.

In 1985, in May, a paper published in Nature by three British scientists reported that a huge hole was discovered in the ozone layer over the Antarctic. It was much larger than expected and is due to the use of manmade chemicals.

In 1990, on April 24th, the Hubble telescope was launched into space after long delays due to the Challenger explosion. An optical flaw was found within weeks of launch but was fixed within three years. The discoveries made possible by the Hubble have contributed to scientists' understanding of the universe.