The first telephone book ever issued contained only fifty names. It was published in New Haven, Connecticut, by the New Haven District Telephone Company in February, 1878.

The first toothbrush with bristles was developed in China in 1498. Bristles were taken from hogs at first, later from horses. The nylon bristles were developed in 1938 by DuPont.

The first toy product ever advertised on television was Mr. Potato Head®. Introduced in 1952.

The first translation of the English Bible was initiated by John Wycliffe and completed by John Purvey in 1388.

The first triple jump in figure skating competition was performed by Dick Button in 1952.

The first U.S. patent for an animal was issued to Harvard University in 1988 for an oncomouse, a genetically engineered mouse that's susceptible to breast cancer. It's used to test anti-cancer therapies.

The first US consumer product sold in the Soviet Union was Pepsi-Cola.

The first US Marines wore high leather collars to protect their necks from sabres, hence the name "leathernecks." The first US Patent was for manufacturing potassium carbonate (used in glass and gunpowder). It was issued to Samuel Hopkins on July 31, 1970.

The five most populated cities in the world are, in order, Tokyo-Yokohama (Japan), Mexico City (Mexico), Sao Paulo (Brazil), Seoul (South Korea), and New York (United States).

The flag of the Philippines is the only national flag that is flown differently during times of peace or war. A portion of the flag is blue, while the other is red. The blue portion is flown on top in time of peace and the red portion is flown in war time.

The flag of the Philippines is the only national flag that is flown differently during times of peace or war. A portion of the flag is blue, while the other is red. The blue portion is flown on top in time of peace and the red portion is flown in war time.

The flavor we think of as bubblegum is a combination of wintergreen, vanilla and cassia, a form of cinnamon.

The flea can jump 350 times its body length. It's like a human jumping the length of a football field.

The fleshy projection above the bill of a turkey is called a snood.

The following is said to be the toughest tongue twister in the English language: "sixth sick sheik's sixth sheep's sick".

The football huddle started at Gallaudet University (the world's only accredited four-year liberal arts college for the deaf) in the 19th century when the football team found that opposing teams were reading their signed messages and intercepting their plays.

The forth railway bridge is a meter longer in summer than in winter due to thermal expansion.

The Four Freedoms by Norman Rockwell are the most widely reproduced and distributed paintings in history.
The full Spanish name of the city of Los Angeles is "El Pueblo de Nuestra Señora la Reina de los Angeles de la Porciuncula." Translated, it means “The town of Our Lady the Queen of the Angels of the Little Portion.”

The fungus called truffles can cost $800 to $1,500 per pound. They are sniffed out by female pigs, which detect a compound that is in the saliva of male pigs as well. The same chemical is found in the sweat of human males.

The furthest point from any ocean would be in China.

The fuzz on a tennis ball is intentionally included as a way to give the ball some definite action when it hits the court. It also slows the flight of the ball through the air. The game of volleyball was invented in 1895 by William G. Morgan.

The Garfish has green bones.

The first US president to both be sued for sexual misconduct and forced to give a deposition while in office was William Jefferson Clinton.

The first Wimbledon Tennis Competition took place in 1877 solely as an amateur competition. Men's singles was the only event that took place. There were 22 competitors and the championship was won by Spencer Gore.

The first woman in Congress was Jeanette Rankin of Montana, in 1917.

The first woman to qualify for the Indianapolis 500 was Janet Guthrie in 1977.

The first woman to run for President was Victoria Woodhull, on the Equal Rights Party ballot in

1872.

The first words that Thomas A. Edison spoke into the phonograph were, "Mary had a little lamb." The first written account of the Loch Ness Monster, or Nessie, was made in 565AD.

The first-known contraceptive was crocodile dung, used by Egyptians in 2000 BC.

The first-lady of the U.S. is considered a private citizen. The fist product to have a bar code was Wrigley's gum.

The five interlocking Olympic rings are black, blue, red, green, and yellow because at least one of these colors appears on every national flag.

The five most frequently used letters in the English alphabet are, in order, E T A I S. The four highest grossing movies of the 1940s were all animated motion pictures by Disney (Bambi, Pinnochio, Fantasia, and Cinderella).

The Four Horsemen of the Apocalypse, named in the Bible's Book of Revelation, are Conquest, Slaughter, Famine, and Death.

The Four Horsemen of the Fighting Irish of Notre Dame played together for the last time in 1925, as the Irish downed Stanford in the Rose Bowl, 27-10. The Four Horsemen were Jim Crowley, Elmer Layden, Don Miller and Harry Stuhldreher.

The four principal characters from the cartoon series "The Chipmunks" are Alvin, Simon, Theodore, and Dave.

The fragrance of flowers is due to the essences of oil which they produce.

The French philosopher, Voltaire, reportedly drank fifty cups of coffee a day.

The Fresh Kills Landfill on Staten Island, NY opened in 1948 and is the world's largest landfill. It covers 3,000 acres and receives 14,000 tons of garbage a day. It's scheduled to close in 2002.

The Fresh Kills Landfill site on Staten Island, New York, opened in 1948, is the world's largest. It covers 3,000 acres and receives up to 14,000 tons of garbage a day. It is scheduled to reach capacity and close by the year 2002.

The fruit of the Cacao tree grow directly from the trunk. They look like small melons, and the pulp inside contains 20 to 50 seeds or beans. It takes about 400 beans to make a pound of chocolate.

The full name of Harriet Beecher Stowe's novel Uncle Tom's Cabin is actually Uncle Tom's Cabin; or, Life Among the Lowly.

The gases emitted from a banana or an apple can help an orange ripen. (Not sure which fruits are concerned).

The gazelle is a kind of antelope.

The gender of Reptiles are determined not by the sex genes, but by the temperature in which the egg is incubated. A certain temperature will produce a male and vice versa for a female.

The genre of art known as Cubism derived its name from a belittling remark made by Matisse in reference to a Graque painting. Matisse said that the landscape looked as though it were wholly made up of little cubes.

The Genus and species of a gorilla are Gorilla gorilla.
About the author: Sri Lalit choudhary is webmaster in New delhi based IT company and also he give his service for BiharBrains community website www.biharbrains.org he can be reached at lalitchoudhary_1978@yahoo.com