Dashed left edge = started before August 1817 ·
Dashed right edge = ongoing beyond August 1817
Events in August 1817 1
1817First cholera pandemic beginsOutbreak in Bengal spreads along trade routesA cholera outbreak originating near Jessore in Bengal marked the start of the first recognized cholera pandemic. Carried by trade and military movements, it spread across South Asia and eventually into the Middle East and Africa over the following years.