On This Day - July 7 Jul 7, 2024 4:21:02 GMT -6 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by NerdiestKen on Jul 7, 2024 4:21:02 GMT -6 On this day in 1930, Preliminary work begins on the Hoover Damwww.history.com/this-day-in-history/building-of-hoover-dam-begins