...Excavations in Boğazköy-Hattusha have been going on for more than 100 years under the direction of the German Archaeological Institute. The site has been a UNESCO World Heritage Site since 1986; almost 30,000 clay tablets with cuneiform writing have been found there so far. These tablets, which were included in the UNESCO World Documentary Heritage in 2001, provide rich information about the history, society, economy and religious traditions of the Hittites and their neighbors.Yearly archaeological campaigns... continue to add to the cuneiform finds. Most of the texts are written in Hittite, the oldest attested Indo-European language and the dominant language...