Leningrad première of Shostakovich's Symphony No. 7

Dmitri Shostakovich's Symphony No. 7 had its Leningrad première on 9 August 1942 during the Second World War, while the city was under siege by the Nazi German forces.

Source: Wikipedia — Leningrad première of Shostakovich's Symphony No. 7 (CC BY-SA 4.0)