Boulder Dam

Mr Brinkley compared Trump's quest to rename the Gulf of Mexico to a move by Franklin D Roosevelt almost 90 years ago: after he defeated Herbert Hoover, Roosevelt christened the newly constructed dam over the Colorado River as the Boulder Dam - not the Hoover Dam as it had previously been known, in an effort to deny his rival the honour.

On this date in 1935, the gate at Boulder Dam was closed and Lake Mead began to fill.

On this date in 1931, the Secretary of the Interior awarded the contract for construction of Boulder Dam to Six Companies Inc. of San Francisco.

On this date in 1935, the 3-million-pound gate at Boulder Dam was closed and Lake Mead began to fill.

He cited Franklin D. Roosevelt’s temporary name change for the Herbert Hoover Dam in Nevada back to Boulder Dam and Ronald Reagan’s removal of solar panels installed at the White House by Jimmy Carter.