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Who built the first submarine?

Cornelius Drebbel. He built it in 1620 and sailed it in the Thames at a depth of 15 feet. The English Navy was not interested in it at the time. http://www.onr.navy.mil/focus/blowballast/sub/history1.htm

What was the Ludlow Massacre?

A workers' strike. Workers in Colorado were asking for union recognition and the right to shop where they wanted, not just in the company stores. They struck in September of 1913 and were forced out of their company homes. So they set up tents outside the mines in protest. Early in 1914 the Colorado state militia stepped in, and on April 14th shots were fired, no one still knows who fired first. The militia then stormed the area and burned the tents to the ground. To make matters worse the strikers had built pits inside the tents to protect themselves from gunfire. Women and children died as a result of gunshots or burning. The owner of the mines, John Rockefeller, put together a huge public relations campaign to clear his name. http://www.denver-rmn.com/millennium/0629mile.shtml http://www.pbs.org/wgbh/amex/rockefellers/sfeature/sf_8.html

Thomas Edison is credited with inventing the light bulb but what other major invention did he create?

Motion picture cameras. Edison had toyed with idea for many years while developing the phonograph and light bulb. His first motion picture was shown to the public on April twenty third, 1896 in New York city. http://inventors.about.com/library/inventors/bledison.htm

Who is Martin Cooper?

Designer of the modern day cell phone. He made his first call in 1973 but had a hard time selling it to the major corporations. When Motorola bought into the idea the first phone cost $3,500. He formed his own company called Arraycom in 1992. http://inventors.about.com/cs/inventorsalphabet/a/martin_cooper.htm/

In 1901, divers off the coast of Greece discovered a shipwreck and found what?

All of these (Antikythera Mechanism, Statues, Jewelry). The diver, Elias Stadiatos, was more impressed with the statues than anything else and overlooked the Antikythera Mechanism. The mechanism was to become one of the richest finds because it showed modern man what the ancients Greeks could do with complex mechanical technology. No one is sure of its purpose but most think it was some kind of planetarium. http://www.economist.com/displaystory.cfm?story_id=1337165

What was the name of Alexander the Great's horse?

Bucephalus. He rode Bucephalus throughout his entire campaign. He named a town after it which is now lost to history. Ironically it died in his last battle. http://www.alexander-the-great.co.uk/bucephalus.htm

What is one theory to the origin of the phrase "Is this the real McCoy"?

Inferior products versus the original. Elijah McCoy is credited with inventing the self lubricating system for railroad engines. Soon the market was being flooded with inferior systems, so when a salesman came by the yards the buyer would ask "Is this the real McCoy?". This is among other possible theories. http://ask.yahoo.com/20010601.html

Who was responsible for catching counterfeiters in the United States before the creation of the Secret Service?

US Marshals. Counterfeiting was a big problem in the country prior to the forming of the Secret Service. Banks were authorized to print their own money in different denominations and designs before the Civil War. This led to a headache for the US Marshals' office especially when the problem was so big the Marshals themselves did not know if their pay cash was real or fake. http://www.usmarshals.gov/history/counterfeit/counterfeit.htm

Of the ten conspirators in the Lincoln assassination, how many were executed?

4. Mary Surrat, George Atzerodt, David Herold, and Lewis Powell were hanged on July 7th, 1865 after being convicted by a military court. John Wilkes Booth was shot by troops in a barn. Four were sentenced to life in prison and three were pardoned by President Andrew Johnson in 1869. Michael O'Laughlin died while in prison of yellow fever. John Surrat fled the country and was brought back in 1867 and stood trial in a civilian court. He was acquitted by a hung jury. after being released Dr. Samuel Mudd was elected to the Maryland Legislature in 1876. http://www.law.umkc.edu/faculty/projects/ftrials/lincolnconspiracy/mudd.html

How many Confederate Ironclads did the South use in the Civil War?

20. It was at least twenty, my eyes were getting sore from counting them at this site. I counted twenty-four but some were seized by England as they were being built in Liverpool and one more was in the planning stages when the war ended. I was shocked at this myself. http://www.history.navy.mil/photos/sh-us-cs/csa-sh/csa-name.htm