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On 10 November, Indonesia celebrates Hari Pahlawan orHeroes Day in remembrance of the  Battle of Surabaya which started on that very date in the year 1945. The bloody battle took place because Indonesians refused to surrender their weaponry to British army. British Army at that time was part of the AlliedForces. The defiant Bung Tomo is the well-known revolutionary leader who played a very important role in this battle

It all started because of a misunderstanding between British troops in Jakarta and those in Surabaya, under the command of Brigadier A.W.WS. Mallaby. Brigadier Mallaby already had an agreement with Governor of East Java Mr. Surya. The agreement stated that British would not ask Indonesian troops and militia to surrender their weapons.