== Events ==
* The [https://www.history.com/topics/great-depression "Great Depression"] heavily affected the US economy.
* '''[[February 18]]''' - [[Pluto]] is discovered by Clyde Tombaugh from photographs at the Lowell Observatory.
{{| class="wikitable" style="width:20%"! colspan="3" | [[Timeline]] |-| <center>[[1929]] || <center>[[1930]] || <center>[[1931]] |- [[category:timeline nav}}]]