Dust Storm 2011, Phoenix, Arizona

Notable dust storms
• ~524BC The 50,000 strong army of Cambyses II supposedly buried by a sandstorm en route to the Siwa Oasis.
• 1930s: A series of dust storms displaced hundreds of thousands of agricultural workers in the central United States and Canada during the Dust Bowl.
• 1934: Just one of many notable storms in the 1930s, the storm of 9–11 May 1934 began in the far north-western Great Plains and proceeded east over the northern tier of states and parts of Canada and was notable for removing the vast majority of the soil deposited since the last Ice Age over some parts of its path.