Ancient Romans at one time used human urine as an ingredient in their toothpaste.
37
The Taj Mahal took 20 years and 20 thousand men to finish!
83
A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
20
Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
During World War II, Uncle Ben's was the exclusive supplier of rice to the U.S. Armed Forces.
23
The first telephone book was one page long and had only 50 names in it.
91
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14