The Completion of Hoover Dam in 1936: A Brief History

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Welcome, trivia enthusiasts! Today, we’re delving into the historical marvel that is the Hoover Dam as we sort fact from fiction for another question from the ‘The Hoover Dam Trivia Quiz’.

Ahead, we’re going to uncover the stories, myths, and engineering triumphs behind its completion. So, let’s roll up our sleeves and explore the incredible history of this iconic structure.

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See if you can answer this question from The Hoover Dam Trivia Quiz before reading on.

The Completion of Hoover Dam in 1936

The iconic Hoover Dam, a marvel of modern engineering, was completed in the year 1936. Situated on the border between the states of Nevada and Arizona, the dam was constructed in Black Canyon on the Colorado River to control flooding, provide irrigation water, and produce hydroelectric power.

The idea for building a massive dam on the Colorado River was first proposed in the early 20th century. With the United States reeling from the Great Depression in the 1930s, the construction of the dam provided much-needed employment opportunities.

Construction and Engineering Feats

The construction of Hoover Dam was a monumental undertaking that required innovative engineering techniques. Six construction companies worked together to build the dam, and they used a total of 3.25 million cubic yards of concrete, making it one of the largest concrete structures in the world at the time.

The labor force responsible for building the dam was comprised of around 21,000 men. The extreme conditions and dangers of the construction site meant that the workers risked their lives daily, but their dedication and hard work ultimately led to the successful completion of the project.

Impact and Legacy

Upon completion, Hoover Dam was not only an engineering marvel but also a vital source of water and power for the growing southwestern United States. The hydroelectric power it generated was crucial for the industrial development of the region, particularly during World War II.

Today, the dam continues to be a significant source of renewable energy, annually supplying millions of people with electricity. Moreover, it is a popular tourist attraction, drawing visitors from around the world who marvel at its imposing structure and learn about its historical significance.

Misconceptions About the Completion Year of Hoover Dam


Many people mistakenly believe that Hoover Dam was completed in 1941. The confusion may stem from the fact that the dam’s construction began in 1931 and was completed in 1936, so the year ’41’ might stick in people’s minds as a significant marker in Hoover Dam’s history. However, the correct completion year is 1936.


Some individuals misguidedly think that Hoover Dam was finished in 1932. This misconception likely arises from the fact that construction work began in that year. However, the immense scale and complexity of the project meant that it took several more years to complete construction, with the finished dam finally coming into being in 1936.


Occasionally, there is an erroneous belief that Hoover Dam reached completion in 1945. This misunderstanding perhaps arises from the association of the 1940s with significant events in history. Nevertheless, the accurate year for the completion of Hoover Dam is 1936, marking it as a remarkable feat of engineering during the Great Depression era.


In conclusion, the Hoover Dam, one of the most impressive engineering marvels of its time, was completed in the year 1936, after years of tireless work and dedication by thousands of workers. Its impact on the region’s development and the generation of hydroelectric power cannot be overstated.

We hope you enjoyed learning about the history of the Hoover Dam. If you want to test your knowledge on more interesting trivia, why not take our Hoover Dam Trivia Quiz and see how much you’ve learned? Who knows, you might discover even more surprising facts about this monumental structure!

Professor Leonard Whitman