John Fitzgerald Kennedy had long-standing health problems due to a rare disorder called Addison's Disease. Because of this, he was often certain that death was imminent, and he had his last rites read to him by a priest ... More »

One of the most interesting facts about rhinoceroses is that they are descendants of some of the largest land animals to live on the planet. Prehistoric rhinos, called Indricotherium, stood over 17 feet tall at the shoul... More »

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Some interesting facts about calcite are that it is part of the Earth's crust and has the chemical name of calcium carbonate. Its chemical formula is CaCO3. Calcite is found in nature in many different shapes and colors ... More »

John Fitzgerald Kennedy, or JFK, was the 35th president of the United States. He served from 1961 to 1963, and he was the first Roman Catholic president. He had barely served 1,000 days in office before he was assassinat... More »

Jacqueline Kennedy Onassis, the wife of President John F. Kennedy and Greek shipping magnate Aristotle Onassis, grew up in a privileged home in Southampton, New York, learning French, ballet and horseback riding. She spe... More »

John Fitzgerald Kennedy, known commonly by his initials as JFK, was born into a prominent political family headed by Joseph P. Kennedy, an American ambassador and businessman who urged his children to be ambitious and wo... More »

John Fitzgerald Kennedy, commonly known as JFK, was born in Brookline, Mass. on May 29, 1917. He was born to Joseph and Rose Kennedy. In 1961, Kennedy became the 35th president of the United States at the age of 43. More »

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