Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

This Day in History: 1936-03-01

(March 01, 1936)
The Hoover Dam on the Colorado River near the Arizona–Nevada border was completed after five years of construction; it is the world’s highest concrete arch dam.

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