Approximately 25,000 workers died during the building of the Panama Canal, and approximately 20,000 of them contracted malaria and yellow fever.
14
The first telephone book was one page long and had only 50 names in it.
91
The site where the Parthenon was built had to be cleared of hundreds of dinosaur bones (then called giants' bones) before construction could begin.
13
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The Mint once considered producing doughnut-shaped coins!
60
Queen Elizabeth II served as a mechanic and driver in World War 2.
36
The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
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