Historical Events tagged with "seikan"

Turns out history loves a label—battles, breakthroughs, and the occasional disaster, all neatly tagged for your browsing pleasure. Because sometimes you just need every weird invention in one place.

Transportation & Infrastructure

Seikan Tunnel Opens Between Aomori and Hakodate

March 13th, 1988 37 years ago

The Seikan Tunnel, the longest undersea tunnel in the world, connects Aomori Prefecture in Honshu with Hakodate in Hokkaido, Japan. It spans approximately 53.85 kilometers, 23.3 of which are submerged beneath the Tsugaru Strait. Construction began in 1956, driven by the need for a reliable transportation link that could withstand harsh winter weather and turbulent seas. The tunnel significantly improved transportation for both passengers and freight, making travel between the islands more efficient.

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Transportation & Infrastructure

Breakthrough of Seikan Tunnel's Pilot Shaft

January 27th, 1983 42 years ago

The pilot shaft of the Seikan Tunnel, a crucial infrastructure project connecting the Japanese islands of Honshū and Hokkaidō, successfully broke through. This milestone marked a significant advancement toward the completion of the world's longest sub-aqueous tunnel, designed to mitigate the disruption caused by frequent ferry cancellations due to harsh winter weather. Engineers celebrated this achievement at the construction site, highlighting the technical challenges overcome during the drilling process.

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