On 24 March 1942, the first stage of the evacuation of the soldiers serving in the so-called Anders Army from the Soviet Union to Persia began. About 78,000 exiles, who joined the Polish army and 37 thousand civilians, including about 18,000 Polish children were evacuated in total.
On 18 March 1921, the treaty ending the Polish-Bolshevik war (the so-called Treaty of Riga) was signed in Riga.
