On 10 November 1945 — exactly 70 years ago when this article was published — the city of Surabaya became the stage for one of the most defining battles in modern Indonesian history. What unfolded in the streets of this East Java capital was not merely a military confrontation; it was a moment when ordinary citizens, armed with little more than conviction, stood against a far superior force.
The Spark: The Death of Brigadier General Mallaby
The battle was triggered by the death of Brigadier General Aubertin Walter Sothern Mallaby of the British 49th Indian Infantry Brigade. Mallaby had been dispatched to Surabaya as part of the Allied forces tasked with disarming Japanese troops and securing the city after Japan's surrender. Tensions between British forces and Indonesian republicans escalated rapidly, and on 30 October 1945, Mallaby was killed in a firefight near the Jembatan Merah (Red Bridge) area.
The British command responded with an ultimatum: all armed Indonesians in Surabaya were to surrender their weapons by 10 November or face a full-scale assault. The ultimatum was rejected.
Sukarno's Dilemma and the People's Resolve
The article explores a nuanced dimension of the battle: the complex position of Sukarno, Indonesia's first president. While Sukarno and other national leaders sought a diplomatic path, the people of Surabaya — fueled by a spirit of jihad and fierce independence — were unwilling to compromise. The narrative highlights how the grassroots resistance in Surabaya at times outpaced and even contradicted the cautious approach of the central republican leadership.
The battle of Surabaya was not won by generals or politicians — it was the people of Surabaya, the arek-arek Suroboyo, who wrote this chapter of history with their blood and courage.
10 November: The Battle Begins
On the morning of 10 November 1945, British forces launched a massive offensive. Naval bombardment, air strikes, and ground troops converged on Surabaya. What the British anticipated as a swift operation turned into three weeks of grueling urban combat. Indonesian fighters — many of them youth militias, religious groups, and ordinary residents — mounted a fierce resistance across the city's kampungs and streets.
The battle resulted in heavy casualties on both sides. Thousands of Indonesian fighters and civilians lost their lives, but their sacrifice transformed Surabaya into a powerful symbol of resistance. The date 10 November is now commemorated annually across Indonesia as Hari Pahlawan (Heroes' Day).
A Legacy That Endures
The Battle of Surabaya demonstrated to the world that Indonesia's declaration of independence — proclaimed just months earlier on 17 August 1945 — was backed by genuine popular will. The courage displayed by Surabaya's residents helped galvanize international support for Indonesia's sovereignty and remains a source of immense pride for the city to this day.
As the article noted in 2015, seventy years on, the spirit of 10 November continues to resonate through Surabaya's streets, monuments, and collective memory — a reminder that ordinary people, united by a common cause, can shape the course of history.