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met June 22–24, 1880, at the 1880 Democratic National Convention Music Hall (pictured) in Cincinnati, Ohio, nominating Winfield S. Hancock of Pennsylvania for President of the United States and William H. English of Indiana for vice president. Six men were officially candidates for nomination at the convention, and several more received votes. The two leading candidates were Hancock and Thomas F. Bayard, a conservative senator from Delaware. Many Democrats believed that Samuel J. Tilden of New York had been unjustly deprived of the presidency in 1876 and hoped to rally around him in the 1880 campaign, but his intentions were unclear. The first round of balloting was inconclusive. After learning of Tilden's withdrawal before the second round of balloting, the delegates flocked to Hancock, a career soldier and Civil War hero, who was nominated. English, a conservative from a swing state, was nominated for vice president. Hancock and English were narrowly defeated by Republicans James A. Garfield and Chester A. Arthur that autumn. ( ) Full article...
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: July 25 begins; World Youth Day 2016 in Commonwealth Constitution Day Puerto Rico ( 1952)
306 – was proclaimed Constantine the Great Roman emperor by his troops after the death of Constantius Chlorus.
1814 – War of 1812: In present-day Niagara Falls, Ontario, the United States and Great Britain engaged in , one of the deadliest ever fought on Canadian soil. Battle of Lundy's Lane
1893 – The Corinth Canal (pictured), which bisects the narrow Isthmus of Corinth, was formally opened, connecting the Gulf of Corinth with the Aegean Sea's Saronic Gulf.
1978 – Two Puerto Rican pro-independence activists in a police ambush at were killed Cerro Maravilla in Ponce.
2000 – Air France Concorde , en route from Paris to New York City, crashed in Flight 4590 Gonesse, France, killing all 100 passengers and nine crew members, as well as four people on the ground.
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is a non-graphitizing, or nongraphitizable, Glassy carbon carbon which combines glassy and ceramic properties with those of graphite. The most important properties are high temperature resistance, hardness (7 Mohs), low density, low electrical resistance, low friction, low thermal resistance, extreme resistance to chemical attack and impermeability to gases and liquids. Glassy carbon is widely used as an electrode material in electrochemistry, as well as for high temperature crucibles and as a component of some prosthetic devices, and can be fabricated as different shapes, sizes and sections.
Photograph: Heinrich Pniok
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