Fort San Domingo (Tamsui Red Fort)

Fort San Domingo (紅毛城, Âng-mn̂g-siâⁿ in Hokkien, literally "Red-Haired Fort") is a historic fortress and former consulate situated on a hilltop overlooking the Tamsui River estuary in Tamsui District, New Taipei City, Taiwan. Over nearly four centuries, it has been controlled by the Spanish, Dutch, Qing Chinese, British, and Japanese, making it one of the most layered colonial sites in East Asia.

Spanish and Dutch Origins (1628–1662)

In 1628, Spanish forces from the Philippines established Fort Santo Domingo (聖多明哥城) as a wooden stockade on the hilltop above the Tamsui River to consolidate their control over northern Taiwan. The Spanish used the fort as a base for Catholic missionary activity and trade in the region; it was burned by local indigenous people in 1636 and rebuilt the following year in stone. In 1642, Dutch forces from their base at Fort Zeelandia in southern Taiwan drove the Spanish out of northern Taiwan. The Dutch laid new foundations on and beside the Spanish works from 1643 and in 1644 completed a new stone and brick fortress on the site — the cube-shaped, two-story Fort Antonio, approximately 15.25 meters on each side and 13 meters tall. Local Taiwanese began calling the Dutch "Âng-mn̂g" (紅毛, "red-haired people"), giving the fort its enduring Chinese name: 紅毛城 (Red-Haired Fort). Although the Dutch surrendered southern Taiwan to Koxinga in 1662, their garrisons in the north held on until 1668, when they withdrew and wrecked the fort as they left.

Qing Dynasty and British Consulate (1662–1941)

After periods of abandonment and sporadic use during the Qing Dynasty, the fort gained new strategic importance following the opening of Tamsui as a treaty port in 1858 under the Treaty of Tientsin. In 1867, the British government leased the fort from the Qing authorities on a perpetual lease and established the British Consulate at Tamsui. The British made significant additions, constructing an elegant Victorian-style consular residence adjacent to the fort in 1891, complete with arched verandas and manicured gardens. For decades, Fort San Domingo served as Britain's principal diplomatic and commercial outpost in northern Taiwan, overseeing trade in tea, camphor, and other commodities.

World War II: Japanese Seizure (1941–1945)

On December 8, 1941 — the day after the attack on Pearl Harbor (December 7 across the International Date Line) — Japan declared war on Britain and the United States. That same day, the British Consulate at Fort San Domingo was ordered closed by Japanese authorities. The local police sealed the consulate's doors, and Japanese officials assured the British consul that all documents and property would be safeguarded until the war's end. Two Japanese employees were retained to maintain the buildings during the occupation.

The British consul was initially placed under house arrest within the consular residence and its gardens. On December 31, 1941, the consul was transported to Japan proper as an enemy national. For the remainder of the war, from 1942 to 1945, Fort San Domingo remained sealed under Japanese military administration, part of the broader Japanese wartime control over all enemy diplomatic properties in Taiwan.

The fort's seizure was emblematic of the broader collapse of Western colonial presence in Asia during the early months of the Pacific War. Across Taiwan, British, American, and other Allied diplomatic and commercial properties were confiscated as Japan moved to consolidate total control over its colonial territory.

Postwar Return and Diplomatic Transitions (1945–1980)

Following Japan's surrender on August 15, 1945, the Republic of China government took over administration of Taiwan and initially opened Fort San Domingo to the public. However, in 1946, Britain invoked its perpetual lease rights and reclaimed the fort, reopening the consulate. The British continued to use the site until 1972, when the United Kingdom switched diplomatic recognition from the ROC to the People's Republic of China, necessitating closure of the consulate.

After the British departure, custody of the fort was entrusted first to Australia and then to the United States (from 1979, the American Institute in Taiwan), who managed it on Britain's behalf. On June 30, 1980, the property was formally handed over to the ROC government, and after restoration the site was opened to the public on December 25, 1984.

Cultural Heritage Status

In 1983 (gazetted December 28), Fort San Domingo was designated a First-Class Historic Monument — the highest level of heritage protection in Taiwan — and it was reclassified as a National Monument (國定古蹟) when the grading system changed in 1997. The designation encompasses both the Dutch-built fort and the adjacent British consular residence. Together they form the "Fort San Domingo and Surrounding Historical Buildings" (淡水紅毛城及其周邊歷史建築群) heritage complex, managed by the Tamsui Historical Museum under the New Taipei City government. Today the site attracts hundreds of thousands of visitors annually and stands as a vivid testament to Taiwan's complex multicultural colonial history.