Black Sunday refers to a very bad dust storm that happened on April 14, 1935. The storm happened as part of the Dust Bowl.[1] It was one of the worst dust storms in American history. It caused a lot of economic and agricultural damage.[2] It is estimated to have moved 300 million tons of topsoil from the prairie area in the US.[3]
↑"Black Sunday: April 14, 1935". PBS. Archived from the original on 20 April 2012. Retrieved 24 May 2012. {{cite web}}: More than one of |archivedate= and |archive-date= specified (help); More than one of |archiveurl= and |archive-url= specified (help)