Seikan Tunnel Opens Between Aomori and Hakodate, Japan, March 13, 1988
The Seikan Tunnel, the longest tunnel in the world with an undersea segment, opens between Aomori and Hakodate, Japan. Date: March 13, 1988 Read more on Wikipedia β π Other events on March 13 π Events on this day in 1988 π On This Day (Today)