No one knows how many people died during the sinking of the Titanic.
11
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
77
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
During the 1600's, boys and girls in England wore dresses until they were about seven years old.
63
Originally, Du Pont, Inc. was a tiny gun powder mill in New Jersey.
20
Grenades were invented in China over 1,000 years ago.
50