Siege of Petropavlovsk happened on 1854-08-28.
Well, there are two Petropavlovsk in the world: Petropavlovsk-Kamchatsky, which is in Russia (far east of Russia) and the other Petropavlovsk is in Kazakhstan (North Kazakhstan). I'm from the one in Kazakhstan.
Petropavlovsk plc was created in 1994.
Petropavlovsk-Kamchatsky was created on 1740-10-17.
The area of Petropavlovsk-Kamchatsky is 400 square kilometers.
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Siege of Akizuki happened in 1587.
Siege of Iwatsurugi happened in 1554.
Siege of Serres happened in 1342.
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Siege of Koriyama happened in 1541.
Siege of Negapatam happened in 1781.