Ice cream cones were popularized in America during the 1904 World’s Fair in Saint Louis when an ice cream vendor ran out of cups and asked a nearby waffle vendor to roll up his waffles to hold the ice cream.
17
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
In the US, it is legal for women to be publicly topless in 33 states. Male toplessness became legal in 1936.
4
According to a 2014 study, 1 in 10 Americans think HTML is a sexually-transmitted disease.
8
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
Theodore Roosevelt read at least one book every day.
22
Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
37
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13