30th January 1835: Andrew Jackson survives the first assassination attempt of a sitting US President

Would-be assassin Richard Lawrence was found ‘not guilty by reason of insanity’ and was committed to an asylum.

27th December 1845: Manifest Destiny introduced in a newspaper column by John L. O’Sullivan

Manifest Destiny was a belief that the United States had a divinely-inspired right to expand across North America, and that this expansion was inevitable.