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lead, chemical element
(Encyclopedia) lead, metallic chemical element; symbol Pb [Lat. plumbum]; at. no. 82; at. wt. 207.2; m.p. 327.502℃; b.p. about 1,740℃; sp. gr. 11.35 at 20℃; valence +2 or +4. One of the oldest metals…oil industry
(Encyclopedia) oil industry, the business of discovering oil (petroleum), extracting it from the ground, refining it into a variety of products, and distributing it to the public. The development of…The Northern Irish Conflict: A Chronology
A history of the conflict and the slow progress towards peace HISTORY OF THE PROBLEM: BRITAIN AND IRELAND Full size map: Ireland Political separation of Northern Ireland from the rest…LGBT Comics Timeline
Looking for LBGT individuals in comics? by Jennie Wood 1800s ⢠1900â1919 ⢠1920s ⢠1930s ⢠1940s ⢠1950s ⢠1960s ⢠1970s ⢠1980s ⢠1990s ⢠2000s ⢠2010s 1895…Comics Timeline
The history of the funnies in America by Shmuel Ross and Jennie Wood 1800s • 1900–1919 • 1920s • 1930s • 1940s • 1950s • 1960s • 1970s • 1980s • 1990s • 2000s…Ethiopia Department of State Background
U.S. Department of State Background Note Ethiopia Index: Geography People History Government and Political Conditions Economy Defense Foreign Relations U.S.-Ethiopia Relations GEOGRAPHYEthiopia is…submarine
(Encyclopedia) submarine, naval craft capable of operating for an extended period of time underwater. Submarines are almost always warships, although a few are used for scientific, business, or other…Top 150 Movie Quotes of All Time
Top of Page Source: Getty ImagesWhen the "Jazz Singer" was released in 1927, it brought a whole new world of sound to the movies. And with it came the challenge for screenwriters to create dialogue…State of the Union Address: Richard Nixon (January 30, 1974)
Richard Nixon (January 30, 1974) Mr. Speaker, Mr. President, my colleagues in the Congress, our distinguished guests, my fellow Americans: We meet here tonight at a time of great challenge and great…Ronald Reagan (January 26, 1982)
Mr. Speaker, Mr. President, distinguished Members of the Congress, honored guests, and fellow citizens: Today marks my first State of the Union address to you, a constitutional duty as old as our…Trending
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