1850│Epidemics │ │1857, began in│1850–51, │1855, only one 1889│covering │ │August in │particularly │month between │larger or │ │Panama and │throughout the │Petrograd and │smaller │ │spread to West│whole Western │Italy. │territory │ │Indies and up │coast of South │ │every year, │ │and down the │America with │ │but none to │ │Pacific Coast.│later spread to│ │compare in │ │Prevailed in │California & │ │intensity with│ │Europe in │Europe. │ │those of 1831,│ │December. │1852, │ │1833, 1836 and│ │ │Australia, │ │1847. │ │ │Tasmania, South│ │ │ │ │America. │ │ │ │ │1853, Faroe │ │ │ │ │Islands. │ │ │ │ │1854, Bavaria. │ │ │ │ │1855, Europe, │ │ │ │ │spreading │ │ │ │ │rapidly West │ │ │ │ │and South from │ │ │ │ │Petrograd. │ │ │ │ │Later in same │ │ │ │ │year, Brazil. │ │ │ │ │1857–58, │ │ │ │ │widespread │ │ │ │ │epidemic in │ │ │ │ │both │ │ │ │ │hemispheres. │ │ │ │ │1860–70, very │ │ │ │ │irregular │ │ │ │ │appearances in │ │ │ │ │Australia, │ │ │ │ │Tasmania, │ │ │ │ │Philadelphia, │ │ │ │ │the Bermudas, │ │ │ │ │Holland, │ │ │ │ │California, │ │ │ │ │France, │ │ │ │ │Switzerland, │ │ │ │ │Africa, │ │ │ │ │Germany, │ │ │ │ │Belgium, │ │ │ │ │Russia, │