Andrássy út (Avenue) is a boulevard in Budapest dating back to 1872. It links Erzsébet Square with the Városliget. Lined with spectacular Neo-renaissance mansions and townhouses featuring fine facades and interiors, it was recognised as a World Heritage Site in 2002.
It was decreed to be built in 1870, to discharge the parallel Király utca from heavy traffic and to connect the inner city parts with the City Park. Its construction began in 1872 and the avenue was inaugurated on August 20 (a national holiday), 1876. Its realization was a blend of the plans proposed by the top 3 competitors Lajos Lechner, Frigyes Feszl and Klein & Fraser. Its palaces were built by the most distinguished architects (led by Miklós Ybl) of the time, financed by Hungarian and other banking houses. These were mostly finished by 1884 and mostly aristocrats, bankers, landowners and historical families moved in. It was named in 1885 after the main supporter of the plan, Prime Minister Gyula Andrássy.
The construction of the Budapest Metro, the first underground railway in Continental Europe, was proposed in 1870, since the capital had always been opposed to surface transport on this road. Construction began in 1894 and was finished in 1896, so this new metro line could facilitate the transport to Városliget, the main venue of the millennium celebrations of Hungary.
The boulevard was renamed three times in the 1950s; a testament to the rapid political changes of the period. It became Sztálin út ('Stalin Street') in 1950 during the Soviet occupation. During the 1956 uprising it was renamed to Magyar Ifjúság útja ('Avenue of Hungarian Youth'). The following year the governing communists changed the name to Népköztársaság út ('People's Republic Street'). The former name of Andrássy was restored in 1990, after the end of the communist era.References:
The Petersberg Citadel is one of the largest extant early-modern citadels in Europe and covers the whole north-western part of the Erfurt city centre. It was built after 1665 on Petersberg hill and was in military use until 1963. It dates from a time when Erfurt was ruled by the Electors of Mainz and is a unique example of the European style of fortress construction. Beneath the citadel is an underground maze of passageways that can be visited on guided tours organised by Erfurt Tourist Office.
The citadel was originally built on the site of a medieval Benedictine Monastery and the earliest parts of the complex date from the 12th century. Erfurt has also been ruled by Sweden, Prussia, Napoleon, the German Empire, the Nazis, and post-World War II Soviet occupying forces, and it was part of the German Democratic Republic (East Germany). All of these regimes used Petersberg Citadel and had an influence on its development. The baroque fortress was in military use until 1963. Since German reunification in 1990, the citadel has undergone significant restoration and it is now open to the public as a historic site.