Russia forces the Qajars to give up…

Russia forces the Qajars to give up all claims to territories in Central Asia in the second half of the century.

Meanwhile, Britain twice lands troops in Iran to prevent the Qajars from reasserting a claim to the city of Herat, lost after the fall of the Safavis.

Under the Treaty of Paris in 1857, Iran surrenders to Britain all claims to Herat and other territories in the present-day state of Afghanistan.