The study focuses on the Estri Soldiers, a structured female military unit active in Java during the era of Prince Diponegoro and earlier under Mangkunegara I in Surakarta. By examining archival records and classical historical sources, the authors demonstrate that women were embedded in combat operations, guerrilla tactics, logistics, and symbolic diplomacy. These findings matter today because they challenge male-centered war narratives and contribute to contemporary discussions on women, security, and national defense.
Why the Estri Soldiers Matter Today
Historical accounts of the Java War have long emphasized charismatic male leadership and battlefield tactics, often overlooking the broader social structure that sustained resistance against Dutch colonial forces. This research highlights that the war functioned as a whole-of-society conflict, where women were mobilized as an integral component of military power.
At a time when global policy frameworks such as Women, Peace and Security (WPS) encourage women’s participation in defense and peacebuilding, the Estri Soldiers offer a historical precedent from Java nearly two centuries ago. The study shows that women’s military participation is not a modern invention, but part of Indonesia’s own strategic heritage.
How the Research Was Conducted
The authors used a qualitative historical approach, drawing on authoritative secondary literature, colonial archives, and palace manuscripts. A key reference is Mighty Women in Java in the XVIII–XIX Century by historians Peter Carey and Vincent Houben, supported by additional archival documents from the Mataram and Mangkunegaran courts.
Rather than relying on battlefield statistics, the researchers analyzed narratives, eyewitness accounts, and symbolic representations of female soldiers. These materials were interpreted through several analytical lenses, including guerrilla warfare theory, collective action theory, and gender-based security perspectives, allowing the authors to reconstruct women’s strategic roles in accessible historical terms.
Key Findings: Women as Combatants and Strategists
The research identifies the Estri Soldiers as a formal and disciplined female military corps with multiple operational functions. The study documents several key roles:
- Frontline combatants trained in horseback riding, swordsmanship, firearms, and traditional weapons
- Elite royal guards escorting kings and protecting political authority in public appearances
- Logistics managers transporting supplies, weapons, and valuables across contested territories
- Agents of psychological and symbolic power, projecting strength to intimidate colonial envoys
Historical records describe units of up to 150 armed women, uniformed and organized, operating within royal military structures in Surakarta and surrounding regions. Their presence altered how power was displayed and perceived during wartime encounters.
One notable figure highlighted in the study is Raden Ayu Yudokusumo, a female commander who led cavalry operations disrupting Dutch supply lines in East Java. Her leadership demonstrates that women not only participated in military actions but also held command authority with direct strategic impact.
Political and Social Impact of Female Military Power
According to the authors, the Estri Soldiers strengthened political legitimacy by embodying unity between royal authority and popular resistance. Their public appearances alongside rulers functioned as a form of political messaging, signaling that the kingdom mobilized all available human resources, including women, to defend sovereignty.
Singgih Wiryono and his colleagues note that this strategy aligns with classical concepts of warfare, where morale, symbolism, and public perception are as important as physical combat. The Estri Soldiers’ visibility served to deter enemies and reinforce internal solidarity.
From a modern perspective, the study connects these historical practices to the core principles of Women, Peace and Security, particularly participation, protection, and prevention. The authors argue that Javanese women practiced these principles organically long before they were formalized in international policy.
Implications for History, Policy, and Education
This research carries implications beyond historical scholarship. By restoring women to their rightful place in the narrative of the Java War, the study supports more inclusive history education and encourages policymakers to recognize women’s longstanding contributions to national defense.
For defense institutions and educators, the Estri Soldiers provide a culturally rooted example of gender-inclusive security practices. For society at large, the findings challenge stereotypes that frame women solely as victims of conflict, instead presenting them as capable and strategic actors.
As the authors emphasize, acknowledging these roles is not merely about correcting the past, but about informing present and future approaches to security, leadership, and equality.

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