│ │the Harz │England and │ │France in │ │mountains. │possibly │ │October, │ │ │spread to │ │November and │ │ │America and │ │December. │ │ │China. │ │ ─────┼──────────────┼─────────────┼──────────────┼───────────────┼────────────── 1780│Western Europe│January, 1780│Spread to │ │Three months 1781│and possibly │in France. │Alsace, │ │from France to │Brazil and │ │Germany and │ │Brazil. │China. │ │Italy, and in │ │ │ │ │March reported│ │ │ │ │in Rio de │ │ │ │ │Janiero. │ │ │ │ │Appeared in │ │ │ │ │Sept. 1780 on │ │ │ │ │Southern coast│ │ │ │ │of China. │ │ ─────┼──────────────┼─────────────┼──────────────┼───────────────┼────────────── 1781│One of the │China and │Through │China, India, │Moscow, 1782│most │perhaps India│Siberia and │America, │January, 1782. │widespread │in Autumn of │Russia to │Russia, Riga, │Riga, │pandemics. │1781 │Petrograd, │Germany, │February. │Abundant │(Hirsch). │Finland, Riga,│England, │Germany, │literature. │English │Germany, etc. │Scotland, │March. │ │writers │ │Netherlands, │England, │ │connect onset│ │Ireland, │April. │ │with │ │France, Italy, │Scotland, May. │ │occurrence of│ │Spain. │Ireland, │ │influenza in │ │ │France and │ │the British │ │ │Italy, June. │ │Army in │ │ │Spain, August. │ │India, Nov., │ │ │ │ │1781. Wittwer│ │ │ │ │and others │ │ │ │ │begin its │ │ │ │ │history in │ │ │ │ │Petrograd in │ │ │ │ │January, │ │ │ │ │1782. │ │ │ ─────┼──────────────┼─────────────┼──────────────┼───────────────┼──────────────