Plague wreaked havoc in Upper Vivarais. Severe flooding following torrential rainfall wreaked havoc in Guyana beginning in January 2005. Addition tensions wreaked havoc on the government. Destructive floods wreaked havoc at the station in February 1924. At the beginning of the 17th century a plague epidemic wreaked havoc. Stalled commuter trains and traffic light failures wreaked some havoc in the streets. It missed, although Katrina wreaked considerable havoc on the Gulf Coast east of Louisiana. In the early 1900s, several significant floods wreaked havoc in southern California. British-built Confederate warships had wreaked havoc on US commerce during the war. Floods in 1842 and 1847 wreaked havoc with the canal and towpath. However, the planes that did get through wreaked havoc. Slavery wreaked havoc in the interior, with states initiating wars of conquest for captives. The Clanton gang now wreaked havoc in Apache county. The Cultural Revolution wreaked much havoc on minority cultures and ethnicities in China. Ma Yuanxiang and Ma Liang wreaked havoc on the Communist forces.