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Into History.

com. It's April 22nd, 1970 in Denver, Colorado.

It's April 22nd, 1970 in Denver, Colorado.

It's a cold morning.

The roads are icy and dirty clumps of snow dot the sidewalks.

But the freezing temperatures haven't stopped the students at the local university from taking to the streets.

Hundreds of them ride their bikes throughout the city.

They're all headed for the same place.

Hergan Hall, a vast conference center in the heart of Denver.

Inside banners hang from the walls and ceilings,

and thousands of young people are gathered.

At the podium, US Senator Gaylord Nelson

adjusts his glasses and looks out of the crowd who have come to hear him speak.

The 50-year-old balding politician looks unassuming in his simple and somber suit.

But he's a formidable figure. Senator Nelson may have just

started revolution. As he addresses the crowd, there's a slight fire in his eye.

Environment is all of America and its problems.

It's the rats and the ghetto.

It's a hungry child in a land of affluence.

...