First settlements around Çorum date back beginning of B.C. 3rd thousand year. Remains belonging to Early Bronze Age (B.C. 3000-B.C. 2500) are detected at the end of excavations, made in Alacahöyük and Boğazköy. While region is ruled firstly by Hittites in B.C. 2nd thousand and then respectively Phrygians, Persians, Alexander the Great; Romans in B.C. 1st century; Eastern Roman, after A.D. 395, Danişmend Oğulları in 1075, it is bounded to Anatolian Seljuks Empire during the period of II.Kılıçarslan in 1178. City, which is exposed to Mongol lands by Yıldırım Beyazıt in 1389. Çorum Castle, located in the city, Ulu Mosque, constructed by the order of Hayreddin Nazır, who is emancipated slave of Alaeddin Keykubat, 1561 dated Hamid Mosque, 1579 dated Gülabibey Mosque, 1436 dated Old Bath, 1573 dated Ali Pasha Bath, 1494 dated Taceddin Pasha Bath and 1895 dated Clock Tower are some of the old works in the city. Çorum Museum, in which archaeolocial and ethnographic works are exhibited, is also one of the important places, which are required to be visited.
Hattusas / Boğazkale
Hattusas is the capital city of Hittites, establishing the first state in Anatolia between B.C. 1650-B.C. 1200 years, and using the script for the first time as the state, and remains of Hattusas excavations are started in 1906. excavations are still carried out by German scientists. City is located ın a rough terrain and its lower city section is in the north and its upper city (acropolis) section is in the south. We can list important remains, which are required to be visited in the city, as follows: In lower city; settlement place, remaining from Karum Hattus period, dated as B.C. 19th-18th Century and Temple of Celestial God and Arinna Sun Goddess, Buyukkale, located in Acropolis, belongs to B.C. 14th and 13th centuries and walls, city and acropolis gate, tunnel, courtyards, place buildings, halls, Hittite Emperial archive building, temples and the other remains are situated here. Rmeains of Hittite Castle, dated as B.C. 13th Century in Nişan Hill out of Büyükkale, King Gate and Gate with Lions, dated as begging of B.C. 14th Century on the walls, surrounding the city, and also Yer Gate, Gate with Sphinx; Yenice Castle, dated as B.C. 13th Century, Sarı Castle and Boğazköy Museum in the region are the places which are required to be visited. One of the most important places, which are required to be visited, is Yazılıkaya, which is a natural and outdoor temple in 2km. northern-east of Hattusas. Yazlıkaya, belonging to B.C. 13th Century, is a Hittite pantheon and all Hittite are depicted here.
Alacahöyük is located within boundaries of Alaca county, bounded to Çorum. It is detected in the excavations, made here in 1935, that there is a settlement, which dares back B.C. 4th thousand. Valuable works, composed of golden, silver, bronze and cult symboles, unearthed from excavations, are exhibited in The Museum of Anatolian Civilizations in Ankara. Plaster copies of sphinxes, protecting City Gate and dated as Hittite Empire period (B.X. 1460-1200), originals of orthostatitcs, decorating the city wall, are carried into The Museum of Anatolian Civilizations in Ankara. In spite of this, copies of orthostatics are made and put into their original places in Alacahöyük. Moreover, Alacavahöyük Museum is one of the places, which are required to be visited here.