October 12 ~ Bavarian Crown Prince Ludwig marries Princess Therese of Saxony-Hildburghausen on this day in 1810. The festivities become an annual event and evolve into the present-day Oktoberfest celebration of beer and bratwurst. Oktoberfest @ your library. Construction of the Holland Tunnel begins in 1920. When completed, the tunnel will provide a direct path from Twelfth Street in Jersey City, New Jersey, to Canal Street in New York. The tunnel will run 94 feet below the Hudson River and include two tubes over 8,000 feet long. The tunnel will open to traffic in November 1927 and will be named for civil engineer Clifford Milburn Holland who will die directing the tunnel’s construction. Dig up more about tunnels and tunneling @ your library.