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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 gen 1920 anni - US Federal Power Act authorizes federal hydroelectric projects

Descrizione:

1920, June 10 — US Federal Power Act authorizes federal hydroelectric projects and begins a set of massive North American construction projects such as the Hoover Dam (pictured here, initially authorized in 1928).

Aggiunto al nastro di tempo:

Health and Wellness

Bychyelle Jiazten milgrom
9 nov 2019
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0
527

Data:

1 gen 1920 anni
Adesso
~ 105 years ago
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