The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
The life expectancy in 1900 was just 47 years.
49
In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
The Titanic is about as long as the Empire State building is tall.
174
The native Americans planted three sisters (corn, beans, and squash) together so that they would benefit each other. The corn provides a structure for the beans to climb. The beans provide the nitrogen to the soil, and the squash spreads along the ground preventing weeds.
30
Early American humans hunted car-size armadillos and used their shells for houses.
12
Early Romans used to use porcupine quills as toothpicks.
27