Hattusas was added to the UNESCO World Heritage list in 1986.
The German Institute Archaeology , for many years with the cooperation of the German Oriental Society as well, conducts excavations; the successive directors have been Kurt Bittel (through 1977), Peter Neve (1978-1993), Jürgen Seeher (1994-2005) and Andreas Schachner. Nearly all the remains of the Hittite Royal Citadel on Büyükkale have been cleared, and large-scale excavation has exposed wide areas of the settlement in the Lower City, the Great Temple, the temple precinct in the Upper City and its surroundings, as well as on the high spur of Büyükkaya.
Excavation on a smaller scale has been carried out in various other locations within the city and in the immediate surroundings, as well as in the rock sanctuary of Yazýlýkaya. Learn more hattuscha.de.
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In 1834 Charles Texier discovers the ruins of Hattusha. Believing he has found Pteria, a city of the Medes, he makes drawings of reliefs at Yazýlýkaya and some of the city ruins, and prepares a rough plan of the city.
In 1836 William J. Hamilton makes a day's excursion to Hattusha, where he does various drawing, including a plan of the Great Temple. He was convinced that the ruins represent the Galatian/Roman city Tavium.
In 1893-94 Ernst Chantre opens exploratory trenches in the Great Temple, on Büyükkale and in Yazýlýkaya. He publishes the first cuneiform tablets from the Hattusha.
In 1906 Hugo Winckler and Theodor Makridi begin excavating on Büyükkale and make sondages in various other places. 2500 fragments of cuneiform tablets recovered here first identify the city as the Hittite capital Hattusha.
In 1907 the first excavations of the German Institute of Archaeology and the German Oriental Society begin; field directors include Otto Puchstein as well as Winckler and Makridi. The first real documentation of the ruins, complete with many plans and photos, is compiled and a more accurate topographic map prepared.
In 1915 with the aid of the cuneiform tablets from Bogazköy, Bedrich Hrozný is able to decipher the Hittite language.
Learn more hattuscha.de.
You may watch my 3 min 51 sec VIDEO-Clip Hattusas out of my Youtube channel.