dec 14, 1935 - hoover dam
Description:
Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt.Added to timeline:
Date:
dec 14, 1935
Now
~ 90 years ago