The Siege of Lazarevsky (Adyghe: Уае зау; Russian: Оборона Лазаревского форта) took place on the night of 19 February 1840 (7 February O.S) during the Russo-Circassian War. Before the siege, the Circassians engaged in intense intelligence activities. After a 3-hour struggle, the Lazarevsky fortification was captured by the Circassians.
HistoryLayer draws the world as it was in any year from 123,000 BCE to
2026. Move the slider and the borders redraw for that year; the map
carries 23,890 events, 12,790 people, 837 wars and 13,183 cities, each
one readable in place. Signing in is optional and lets you keep what
you find.