Longshan culture, Qingliangang culture and many Han dynasty sites have been discovered in the territory.
Siyang is the capital of the ancient kingdom of Surabaya.
A large number of precious cultural relics of the ancient king of Surabaya have been unearthed in China many times, which has aroused widespread concern at home and abroad.
Among them, the crossbow machine unearthed is one of the treasures of Nanjing Museum, and it is known as "the first crossbow in the world".
In A.D. 1 194, the Yellow River burst in Wu Yang, which caused a great disaster to Siyang, and its cultural relics were also submerged and destroyed.
But Siyang is still one of the counties with many historical sites and cultural relics in China.
According to incomplete statistics, there are 2 Neolithic sites, 4 Shang and Zhou sites, 9 large Han tombs, 7 Han tombs and many tombs in Song, Ming and Qing Dynasties.
In addition, there are four revolutionary memorial sites left by the new-democratic revolution.
Xia and Shang Dynasties are divided into Kyushu, Siyang belongs to Xuzhou, and there is a country of Judah.
The Western Zhou Dynasty belongs to Qingzhou.
In the Spring and Autumn Period, the land belonged to Wu, the death of Wu belonged to Yue, and the Warring States belonged to Chu.
Qin set Ling County in Tan County, and placed it in Tan County (Ling County set Ling City, so it was ruled in Zhongxing Town of Siyang today).
During the Qin and Han Dynasties, Siyang belonged to Lingxian County, Dongyang County.
The Western Han Dynasty was founded in Lingxian County and Youxian County, Donghai County (the county was ruled in Zhenglou, Siyang, and was included in Sucheng District in 2004).
In the fifth year of Emperor Wudi's reign, Han Xin, the king of Qi, moved to be the king of Chu, and Lingxian County and Ge You County also belonged to this place because of "Han Feng Chu".
In the first year of Ding Yuan, Emperor Wu of the Han Dynasty, Lingxian County was analyzed in the southeast, and Siyang County (now Xinyuan Town of Siyang) was located in the north side of the lower reaches of Surabaya, belonging to Donghai County.
The name of Siyang county began.
In the fourth year of Ding Yuan, 30,000 households in Donghai County set up Surabaya County, which governs Ling, Yu and Siyang counties and is the capital of Ling.
Surabaya national calendar 123, five dynasties and six kings. It is one of the three vassal states in Jiangsu.
During the Cao Wei period, Siyang was changed to Weiyang.
Lingxian County in the Western Jin Dynasty belongs to Guangling County.
Huaiyang County (now Huai 'an, Siyang, Suqian and other counties and cities) was established in the Eastern Jin Dynasty to govern Jiaocheng County (now southeast of Siyang).
In the first year of Yixi in the Eastern Jin Dynasty, he settled in Yuxian (the ancient city where he ruled the country), which belonged to Huaiyang County.
Sui is located in Suyu County, Sizhou, and later belongs to Linhuai County, Sizhou.
The administrative regions of the Tang Dynasty were changeable, and the administrative divisions of Siyang were also changing.
At the beginning of the Northern Song Dynasty, it belonged to Wuning Army and later to Huaiyang Army.
In the first year of Jianyan in the Southern Song Dynasty, Wucheng County (now southeast of Siyang) was built.
In the third year of Xingding, Huaibin County was established, which governed Taoyuan Town (now Chengyang Chengxiang Street) and belonged to Sizhou.
Yuan was renamed Taoyuan County and belonged to Huai 'an Road.
Yan Ming used Taoyuan County, which belongs to Huai 'an Prefecture and directly under Zhongshu Province.
After moving the capital to Beijing, it belonged to South Zhili.
In the second year of Qing Shunzhi, it was changed to jiangnan province, and Siyang belonged to Huai 'an Prefecture of jiangnan province.
In the sixth year of Kangxi, it was changed to Jiangsu Province and became Taoyuan County of Huai 'an Prefecture.
In the third year of the Republic of China, it was renamed Siyang County because of the same name as Taoyuan County, the hometown of veteran Song, belonging to Huaiyang Road, Jiangsu Province.
The state * * * was established, abandoned and directly under the jurisdiction of Jiangsu Province * * *.
In the twentieth year of the Republic of China, Jiangsu was divided into 13 administrative supervision area and Siyang belonged to 1 1 area.
Later, it was divided into 9 districts, and Siyang belonged to Huaiyin District and the seventh district.
In the spring of the 28th year of the Republic of China, the Japanese army captured Siyang and the county seat was destroyed.
In 29 years, the anti-Japanese democratic regime in Siyang County was established.
In order to adapt to the war situation, Siyang and some surrounding counties have established four county-level democratic regimes: Sishu, Huaisi, Siyang and Canal Special Zone.
In 33 years of the Republic of China, the Canal Special Zone was abolished, and in 37 years of the Republic of China, Huaisi was placed under Siyang. In 38 years of the Republic of China, Sishu and Siyang merged, and the original Siyang was basically restored. County * * * is located in Zhongxing Town and belongs to Huaiyin Special Zone (now Huai 'an City).