when did the grand canyon became a national monument
1908
title: Grand Canyon text: in turn lobbied for the Antiquities Act of 1906 which gave Roosevelt the power to create national monuments. Once the act was passed, Roosevelt immediately added adjacent national forest lands and redesignated the preserve a U.S. National Monument on January 11, 1908. Opponents such as land and mining claim holders blocked efforts to reclassify the monument as a U.S. National Park for 11 years. Grand Canyon National Park was finally established as the 17th U.S. National Park by an Act of Congress signed into law by President Woodrow Wilson on February 26, 1919. The federal government administrators who manage park title: Grand Canyon National Park text: Game Preserve by proclamation on 28 November 1906, and the Grand Canyon National Monument in 1908. Further Senate bills to establish the site as a national park were introduced and defeated in 1910 and 1911, before the Grand Canyon National Park Act was finally signed by President Woodrow Wilson in 1919. The National Park Service, established in 1916, assumed administration of the park. The creation of the park was an early success of the conservation movement. Its national park status may have helped thwart proposals to dam the Colorado River within its boundaries. (Later, the Glen Canyon Dam would be title: National Monument (United States) text: proclaimed Katmai National Monument in Alaska, comprising more than . Katmai was later enlarged to nearly by subsequent Antiquities Act proclamations and for many years was the largest national park system unit. Petrified Forest, Grand Canyon, and Great Sand Dunes were also originally proclaimed as national monuments and later designated as national parks by Congress. In response to Roosevelt's declaration of the Grand Canyon monument, a putative mining claimant sued in federal court, claiming that Roosevelt had overstepped the Antiquities Act authority by protecting an entire canyon. In 1920, the United States Supreme Court ruled unanimously that the Grand Canyon title: History of the Grand Canyon area text: 1906. Livestock grazing was reduced, but predators such as mountain lions, eagles, and wolves were eradicated. Roosevelt added adjacent national forest lands and re-designated the preserve a U.S. National Monument on January 11, 1908. Opponents, such as holders of land and mining claims, blocked efforts to reclassify the monument as a National Park for 11 years. Grand Canyon National Park was finally established as the 17th U.S. National Park by an Act of Congress signed into law by President Woodrow Wilson on February 26, 1919. The National Park Service declared the Fred Harvey Company to the official park concessionaire in title: History of the Grand Canyon area text: like the Grand Canyon. National Parks in Yellowstone and around Yosemite Valley were established by the early 1890s. U.S. Senator Benjamin Harrison introduced a bill in 1887 to establish a national park at the Grand Canyon. The bill died in committee, but on February 20, 1893, Harrison (then President of the United States) declared the Grand Canyon to be a National Forest Preserve. Mining and logging were allowed, but the designation did offer some protection. President Theodore Roosevelt visited the Grand Canyon in 1903. An avid outdoorsman and staunch conservationist, he established the Grand Canyon Game Preserve on November 28,