-
Made a national monumint
April 12, 1929, as a National Monument -
President Franklin D. Roosevelt makes it biger
"President Franklin D. Roosevelt signs Presidential Proclamation No. 2312 enlarging Arches National Monument." - https://www.nps.gov/articles/arch-timeline.htm -
Rock fall
Rock fall happened at an arch -
Arches visitor center is done
-
adjust the size
"President Dwight D. Eisenhower signs Presidential Proclamation No. 3360 adjusting the boundaries of Arches National Monument." - https://www.nps.gov/articles/arch-timeline.htm -
national park, not monument anymore
"President Richard M. Nixon signs Public Law 92-155 changing Arches from a National Monument to a National Park." - https://www.nps.gov/articles/arch-timeline.htm -
another rock fall
another rock fall -
torch
Winter Olympic torch carried through Arches. -
reaches one million visitors
