There were two events called "The Siege of Sevastopol". They took place in which wars?

Question

According to global media two major, potentially world-changing events took place in the week 6 -13 November 2012. Which were they?

Answer 1

Crimean War
The Siege of Sevastopol, 1854 to 1855, was during the Crimean War. Another, 1941 to 1942, was during the Second World War.