<P> The Rocky Mountain National Park Act was signed by President Woodrow Wilson on January 26 , 1915 , establishing the park boundaries and protecting the area for future generations . The Civilian Conservation Corps built the main automobile route , Trail Ridge Road , in the 1930s . In 1976 , UNESCO designated the park as one of the first World Biosphere Reserves . In 2017 , more than 4.4 million recreational visitors entered the park . The park is one of the most visited in the National Park System , ranking as the third most visited national park in 2015 . </P>
<P> The Rocky Mountain National Park Act was signed by President Woodrow Wilson on January 26 , 1915 , establishing the park boundaries and protecting the area for future generations . The Civilian Conservation Corps built the main automobile route , Trail Ridge Road , in the 1930s . In 1976 , UNESCO designated the park as one of the first World Biosphere Reserves . In 2017 , more than 4.4 million recreational visitors entered the park . The park is one of the most visited in the National Park System , ranking as the third most visited national park in 2015 . </P>
when did rocky mountain became a national park
when did rocky mountain became a national park
January 26 , 1915
January 26 , 1915