1930 – Industrialist Henry J. Kaiser begins construction of the Boulder Dam (now known as Hoover Dam).
1944 – World War II: Largest Banzai charge of the Pacific War at the Battle of Saipan.
1930 – Industrialist Henry J. Kaiser begins construction of the Boulder Dam (now known as Hoover Dam).
1944 – World War II: Largest Banzai charge of the Pacific War at the Battle of Saipan.