On this day in 1884, the first purpose-built roller coaster opened in New York's Coney Island amusement park.
On this day in 1911, IBM was founded as the Computing-Tabulating-Recording Company in New York.
On this day in 1924, the Whampoa Military Academy was founded.
On this day in 2010, Bhutan became the first country to institute a total ban on tobacco.