As a National Park it was in 1919.
It became a National Park in 1919.
Zion National Monument was created in 1937.
It was named a National Park in 1919.
Yosemite, the first National Park
Flinders Chase National Park was created in 1919.
February 26th, 1919
Grand Canyon National Park was created on 1919-02-26.
1919 your dumd if you did not know that :(
Grand Canyon National Park was established on February 26, 1919.
Woodrow Wilson declared grand canyon a national park during 1919.
it became a national park in February 26, 1919 i know this was useful <(0_0<) <(0_0)> (>0_0)>