Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
77
Canada's new flag, with its maple leaf design, was unfurled in 1965 in Ottawa!
22
The ancient Egyptians thought the function of the brain was to produce snot.
16