Narrower Terms (6)

• Azov (Russia)--History--Siege, 1637-1642
• Gatchina (Russia)--History--Siege, 1941
• Pskov (Russia)--History--Siege, 1581-1582
• Saint Petersburg (Russia)--History--Siege, 1941-1944
• Smolensk (Russia)--History--Siege, 1609-1611
• Tula (Russia)--History--Siege, 1941