- Hillary Clinton (Wikipedia)
Hillary Diane Rodham Clinton (née Rodham; born October 26, 1947) is an American politician and diplomat. She was the 67th United States secretary of state in the administration of Barack Obama from 2009 to 2013, a U.S. senator representing New York from 2001 to 2009, and the first lady of the United States as the wife of Bill Clinton from 1993 to 2001. A member of the Democratic Party, she was the party’s nominee in the 2016 presidential election, becoming the first woman to win a presidential nomination by a major U.S. political party and the first woman to win the popular vote for U.S. president. She is to date the only first lady of the United States to have run for elected office.
- Chalcolithic (Wikipedia)
The Chalcolithic (also called the Copper Age and Eneolithic) is an archaeological period characterized by the increasing use of smelted copper. It follows the Neolithic and precedes the Bronze Age. It occurs at different periods in different areas, and is absent in some parts of the world, such as Russia. Stone tools were still predominantly used during this period.