[e]Photo Stream
On This Day
Memories
Hire Us
May 28
ON THIS DAY

May 28

5 moments across history

1936

Alan Turing submits 'On Computable Numbers'

Alan Turing submits 'On Computable Numbers'

Turing's landmark paper laid the conceptual foundation for programmable computers.

Alan Turing submits 'On Computable Numbers' — detail

The work explained how a single abstract machine could perform any computable task.

On May 28, 1936, Alan Turing submitted 'On Computable Numbers,' the paper that introduced the theoretical universal machine and helped define modern computer science.

1937

Golden Gate Bridge opens to pedestrians

Golden Gate Bridge opens to pedestrians

Crowds streamed across the new bridge at its public opening in San Francisco Bay.

Golden Gate Bridge opens to pedestrians — detail

The suspension span quickly became one of the world's most recognizable engineering landmarks.

On May 28, 1937, San Francisco opened the Golden Gate Bridge to pedestrians for its first public crossing, one day before vehicle traffic began.

1953

Edmund Hillary and Tenzing Norgay begin Everest summit push

Edmund Hillary and Tenzing Norgay begin Everest summit push

Hillary and Norgay climb toward history in the thin air below Everest's summit.

Edmund Hillary and Tenzing Norgay begin Everest summit push — detail

Their ascent became one of the defining achievements of twentieth-century exploration.

On May 28, 1953, Edmund Hillary and Tenzing Norgay made the final high-camp push that led to the first confirmed ascent of Mount Everest the next morning.

1998

Pakistan conducts Chagai-I nuclear tests

Pakistan conducts Chagai-I nuclear tests

Dust rises over the Chagai Hills as Pakistan enters the overt nuclear age.

Pakistan conducts Chagai-I nuclear tests — detail

The tests transformed South Asian strategic politics and answered India's tests from earlier that month.

On May 28, 1998, Pakistan carried out the Chagai-I nuclear tests, becoming the seventh nation publicly known to possess nuclear weapons.