2013 Event In Greenland. a canyon over 800km long is discovered up to 800m deep in different places below the ice sheet covering the country; the canyon is longer than Arizona's Grand Canyon; it was carved out by a river over four million years ago 2013 Event Nik Wallenda completes a high wire walk across a Little Colorado River Gorge near the Grand Canyon 1994 Death Dennis Morgan, actor (Cattle Town, Canyon Pass), dies at 83 1993 Event Trish Johnson wins Las Vegas LPGA at Canyon Gate Golf Tournament 1986 Event 52 die in plane and helicopter collision over Grand Canyon 1981 Event Laurel Canyon California murders (4 die, 1 wounded) 1980 Death Richard Kallman, actor (Verboten, Hell Canyon Outlaws), dies at 46 1976 Event Flash flood in Big Thompson Canyon Colorado on Route 34, kills 139 1974 Event Fall of earth and rocks kill 200 (Quebrada Blanca Canyon, Colombia) 1973 Death Ted de Corsia, actor (Police Chief Hegedorn-Steve Canyon), dies at 69 1972 Death Ferde Grofe, U.S. composer (Grand Canyon Suite), dies at 80 1968 Event Kathy Whitworth wins LPGA Canyon Ladies Golf Classic 1967 Event Oil tanker Torrey Canyon hits a rock and spills oil 1959 Event River Canyon extending man-made Lake Hebgen by 5 miles. (Montana) 1956 Event United DC-7 and TWA collide over Grand Canyon killing 128 1938 Birthday Robert "Evel" Knievel, motorcycle daredevil, Snake River Canyon 1931 Event Ferde Grofe's "Grand Canyon Suite," premieres 1919 Event Congress forms Grand Canyon National Park in Arizona 1911 Birthday Reed Hadley, born in Petrolia, Texas, actor, Racket Squad, Shock, Grand Canyon 1910 Birthday Dennis Morgan, actor, Cattle Town, Canyon Pass, Waterfront 1903 Birthday Ted de Corsia, born in Brooklyn, New York, actor, Police Chief Hegedorn-Steve Canyon 1902 Death John Wesley Powell, U.S. geologist (Grand Canyon), dies at 68 1862 Event Battle of La Glorieta Pass, New Mexico Territory (Apache Canyon, Pigeon's Ranch)