RADAR TULUNGAGUNG – Sultan Baabullah secured his place in Indonesian history after leading a determined campaign that forced the Portuguese out of Ternate in 1575. Following the assassination of his father, Sultan Khairun, Baabullah united regional allies, imposed a long blockade on Portuguese strongholds, and ultimately achieved one of Southeast Asia’s most significant victories against a European colonial power.
The triumph marked a turning point for the Ternate Sultanate, which regained full control over its territory and the lucrative clove trade. Historians regard the victory as a rare example of a local kingdom successfully defeating a major European colonial force during the 16th century.
Beyond military success, Sultan Baabullah transformed Ternate into a dominant maritime power across eastern Indonesia. His reign not only ended Portuguese influence in Ternate but also expanded the sultanate’s political and economic reach throughout the region.
The Assassination That Sparked Sultan Baabullah’s Resistance
Born in Ternate in 1528, Sultan Baabullah was the son of Sultan Khairun, one of the most influential rulers of the Ternate Sultanate. As crown prince, he received extensive training in governance, diplomacy, military affairs, and Islamic scholarship, preparing him for future leadership.
The conflict with Portugal developed amid intense competition for control of the global spice trade. During the 16th century, Ternate stood among the world’s most important producers of cloves, a highly valuable commodity sought by merchants from Asia, the Middle East, and Europe.
Tensions escalated as Portuguese authorities sought greater influence over local trade and politics. The crisis reached its peak on February 28, 1570, when Sultan Khairun was killed during negotiations with Portuguese officials at a fortress in Ternate. Historical records generally agree that the assassination occurred after peace discussions, although details vary among sources.
The killing shocked the people of Ternate and immediately elevated Baabullah to the throne. Determined to seek justice for his father and restore his kingdom’s sovereignty, the new sultan began organizing resistance against Portuguese rule.
The Strategy Behind Sultan Baabullah’s Five-Year Siege
Unlike many rulers of his era, Sultan Baabullah avoided a costly direct assault against Portuguese fortifications, which were protected by firearms and artillery. Instead, he adopted a strategy of isolation designed to weaken the enemy over time.
Baabullah forged alliances with neighboring powers, including Tidore and other regional partners, while his forces blocked supply routes leading to Portuguese positions. The objective was simple but effective: cut off food, reinforcements, and military supplies until the Portuguese could no longer sustain themselves.
For five years, from 1570 to 1575, Ternate’s forces maintained pressure on Portuguese strongholds. Several attempts to break the blockade failed, gradually reducing Portuguese influence across the island.
By late 1575, Portuguese troops had retreated to their final major stronghold, Fort Kastela. Facing severe shortages and dwindling options, they entered negotiations with Sultan Baabullah.
Historical accounts indicate that the Portuguese eventually agreed to leave Ternate. Their withdrawal in December 1575 ended more than six decades of Portuguese presence on the island and represented a major victory for the sultanate.
Sultan Baabullah’s Legacy and the Rise of Ternate
After the Portuguese departure, Sultan Baabullah consolidated control over former colonial facilities and restored Ternate’s position as a leading center of the international clove trade.
Under his leadership, the sultanate expanded its influence across much of eastern Indonesia. Historical traditions credit him with extending Ternate’s authority over dozens of islands stretching across Maluku and neighboring regions. This achievement earned him the title “Ruler of 72 Islands,” although the exact extent of his authority remains debated among historians.
Many scholars consider Baabullah’s reign the golden age of the Ternate Sultanate. His combination of military leadership, diplomatic skill, and economic management strengthened the kingdom’s position at a time when European powers were competing fiercely for control of the spice trade.
Sultan Baabullah died in 1583 at the age of 55. The exact cause of his death remains uncertain, with different historical accounts offering varying explanations. Despite those uncertainties, his achievements remain widely recognized.
Indonesia formally honored his legacy when President Joko Widodo awarded Sultan Baabullah the title of National Hero on November 10, 2020. The recognition acknowledged his successful resistance against colonial domination and his enduring contribution to Indonesian history.
More than four centuries after his victory, Sultan Baabullah continues to symbolize strategic leadership, national resilience, and the determination of local rulers to defend their sovereignty against foreign powers.

