Uraga's importance was geographic before it was historic. Sitting at the northern end of the Uraga Channel, where Tokyo Bay narrows to its entrance, the village controlled access to Edo -- the shogun's capital, modern-day Tokyo. When the Tokugawa shogunate consolidated power at the start of the 17th century, this sheltered harbor grew rapidly. The area was designated tenryo, territory under the shogunate's direct control, and the merchant firms that developed here profited from the surge in maritime traffic flowing toward Edo. In 1720, the shogunate created the post of Uraga bugyo, a magistrate responsible for policing the channel traffic and organizing coastal defenses. Cannon fortified the harbor entrances, aimed outward against the foreign ships that Japan's sakoku isolation policy forbade from entering. For more than a century, the guns kept the world at bay.

The cracks came slowly at first. In 1812, the British whaler Cyprus stopped at Uraga and took on water, food, and firewood -- a minor violation, but a sign of things to come. In 1846, Captain James Biddle of the United States Navy anchored two warships in the Uraga Channel, attempting to open trade negotiations. He failed. Japan remained closed. But on July 14, 1853, the balance of power shifted irreversibly. Commodore Matthew C. Perry steamed into the channel with four warships -- the famous "Black Ships," named for the dark smoke pouring from their coal-fired engines. Perry ordered his vessels past the Japanese defensive lines toward Edo, positioned his 73 cannons toward Uraga, and refused to meet with anyone but officials of the highest rank. He landed at nearby Kurihama with 250 Marines and sailors to deliver President Fillmore's letter demanding trade relations. When the squadron returned in 1854, the ships bypassed Uraga entirely, anchoring closer to Edo at Kanagawa -- the site of what would become Yokohama.

The treaty that followed Perry's expedition cracked Japan's isolation open, and Uraga played its part in the transformation that followed. In 1860, Japan's first sail-and-screw-driven steam corvette departed from Uraga carrying the first Japanese Embassy to the United States -- a diplomatic mission that would have been unthinkable just seven years earlier. The town itself evolved with the times. During the Meiji period, Uraga was part of Miura District in Kanagawa Prefecture before being absorbed into the expanding city of Yokosuka on April 1, 1943. The Uraga Dock Company, a private shipyard, became the area's dominant industry. Its docks built destroyers for the Imperial Japanese Navy and later for the Japan Maritime Self-Defense Force. Dock number 2 remains in operation today, a working link between Uraga's shipbuilding past and its industrial present.

Modern Uraga has settled into a quieter role. It is primarily a bedroom community now, its residents commuting to jobs in Yokohama and Tokyo while the harbor that once bristled with warships and merchant vessels serves mostly local fishing boats and ferry traffic. But the historical weight of the place has not been forgotten. The Perry landing site at nearby Kurihama is commemorated, and the Uraga Channel remains a working waterway -- every ship entering or leaving Tokyo Bay passes through the same narrows that the Black Ships steamed through in 1853. The 1878 marine survey chart of Uraga harbor, preserved in the National Archives of Japan, shows the same basic geography that confronted Perry's navigators: the sheltered inlet, the narrow channel, the strategic chokepoint that made this small town the hinge on which an empire's future turned.