Today, 145 years ago, on August 14, 1880 (July 9, 1880 calendar), the Cathedral of Cologne was officially inaugurated. The foundation for the construction of the Cathedral of Cologne in 1248 until August 14, 1880 was officially inaugurated. The Cathedral of Cologne (KlnerDom), a Catholic church in Cologne, Germany, was one of the city's most famous landmarks, the highest building in the world before 1884 and still the highest Gothic architecture. It was built from the 13th century, with the construction period interrupted until the 19th century, when it was declared symbolic by the German Emperor William I, during the construction of more than 600 years, until today it has been continuously rebuilt. The Cathedral of Cologne was listed as a World Heritage Site by