The Titanic was the first ship to use the SOS signal.
149
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
February 1865 is the only month in recorded history to not have a full moon.
83
When Charles Darwin first discovered the Galapagos Tortoises, he tried to ride them!
18
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
The range of a medieval long-bow is 220 yards.
78
The life expectancy in 1900 was just 47 years.
49
Until the nineteenth century, solid blocks of tea were used as money in Siberia.
80