Question: These days are special for St Petersburg - on January 18, 1943 the siege of Leningrad was broken.

The siege of Leningrad was broken on January 18, 1943.
Answer: yes
Question: The Sioux Ghost Shirt was a feature of Glasgow's Kelvingrove Museum for more than 100 years before being repatriated to its land of origin.

A Sioux ghost shirt was returned by a Scottish museum.
Answer: yes
Question: On Aug. 6, 1945, an atomic bomb was exploded on Hiroshima with an estimated equivalent explosive force of 12,500 tons of TNT, followed three days later by a second, more powerful, bomb on Nagasaki.

In 1945, an atomic bomb was dropped on Hiroshima.
Answer:
yes