The longest border in the world is the one that separates Canada and the United States; a length of 6,416 kilometers.
In the middle ages, nutmeg was the most expensive spice. Not because of the taste and smell, but because of the belief that it protected against the plague.
Geese were the first birds domesticated by man.
The museum dedicated to skyscrapers is located in New York.
The first country to give women the right to vote was New Zealand in 1893.
Scientists claim that every 14 days one language dies. By the end of the 21st century, it is likely that almost half of the approximately 7.000 languages will disappear.