More people use blue toothbrushes than red.
Which people had a life expectancy of 60 days?
At the end of World War II, the life expectancy of a member of the German U-boat fleet was 60 days.
Transformation from airliner to bomber?
In 1913, Igor Sikorsky had developed a four-engine passenger plane Ilya Muromets for 16 passengers, with a bathroom. At the outbreak of war, the planes were converted into strategic bombers and could bomb Germany relatively unhindered. Eventually, German fighters posed a threat to the bombers and in 1916 they were withdrawn.
How long is the rail network in the US?
The railroad network in the United States has a length of 271,619 kilometers, which is enough to make a train track that travels seven times around the earth at the equator.
How big is the largest dog in the world?
The world’s tallest and longest dog is Harvey, a Great Dane owned by Charles Dodman from England. The dog is 105.41 cm tall when sitting down and is 231.14 from snout to tail tip.
When was a soccer player sentenced to 100 years quarantine?
In 1923, a Trinidadian soccer player was sentenced to 100 years quarantine.
