Heroin was once used as a cough medicine.
During the Secession war troops would return to their cartels with a big sign that read “0 Killed”. From that, the phrase O.K. derived from.
The first woman ambassador was Russia's Aleksandra Kollontai (1872-1952) who was elected in 1923 to be the Soviet ambassador to Norway.
Leonardo da Vinci made the first draft for the contact lenses. They should have been made of thin glass filled with water...
Planet Earth belongs to the Milky Way galaxy which has more than 200 billion stars.
If a man tried to open the jaws of an alligator, it would be the same as trying to lift the jeep without a jack.