The Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the boundary between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over 100 lives. Bills passed by Congress during its construction referred to it as Hoover Dam, but the Roosevelt administration named it Boulder Dam. In 1947, Congress reinstated the name Hoover Dam.
Boulder Dam (later Hoover Dam) begins to generate electricity and transmit it to Los Angeles.
On October 9, in the year 1936, Boulder Dam (later Hoover Dam) begins to generate electricity and transmit it to Los Angeles. This event is recorded as a Historical Events event in the history of October 9, one of 433 recorded events on this date across all of history.
Key Facts
- This event took place on October 9, 1936 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 25 September 2026.
On This Date in History 433
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
More on October 9
Allied Imperial and Polish-Lithuanian forces defeat the retreating Ottoman forces in the battle of Parkany.
The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity comprising and controlling much of Central Europe and Western Europe, head…
Allied Imperial and Polish-Lithuanian forces defeat the retreating Ottoman forces in the battle of Parkany.
Pressed by a food embargo, the five Catholic cantons of Central Switzerland declare war on the Protestant canton of…
Central Switzerland is a subdivision of Switzerland as defined by the Federal Statistical Office for statistical purposes. It is classified as a NUTS-2 statistical region of Switz…
Pressed by a food embargo, the five Catholic cantons of Central Switzerland declare war on the Protestant canton of…
Hurricane Milton makes landfall in Siesta Key, Florida, as a Category 3 hurricane, causing US$34.3 billion in damage…
Hurricane Milton was an extremely powerful and destructive tropical cyclone which caused major damage and fatalities in Florida in October 2024. It is tied with 2005's Hurricane R…
Hurricane Milton makes landfall in Siesta Key, Florida, as a Category 3 hurricane, causing US$34.3 billion in damage…
Turkey begins its military offensive in north-eastern Syria.
Operation Peace Spring was a joint operation by the Turkish Armed Forces (TAF) and the Syrian National Army (SNA) against the Syrian Democratic Forces (SDF), later involving the S…
Turkey begins its military offensive in north-eastern Syria.
The Arakan Rohingya Salvation Army launches its first attack on Myanmar security forces along the Bangladesh–Myanmar…
The Arakan Rohingya Salvation Army, formerly known as Harakah al-Yaqin, is a Rohingya insurgent group originating from northern Rakhine State, Myanmar. According to a December 201…
The Arakan Rohingya Salvation Army launches its first attack on Myanmar security forces along the Bangladesh–Myanmar…
Pakistani Taliban attempt to assassinate outspoken schoolgirl Malala Yousafzai.
Malala Yousafzai is a Pakistani female education activist, and producer of film and television. She is the youngest Nobel Prize laureate in history, receiving the Peace Prize in 2…
Pakistani Taliban attempt to assassinate outspoken schoolgirl Malala Yousafzai.
Comments 0
Sign in to join the discussion.