Overdosing on niacin, also called vitamin B-3, can lead to rare side effects. The most apparent symptom of a niacin overdose is a blurring of vision, the American Cancer Society says. This can be a sudden symptom that is disorienting and frightening.
Capital Cities and Tombs of the Ancient Koguro Kingdom. Located in North-west Xiaotun Village, Anyang City, Henan Province, Yin Ruins is the first recorded and archaeologically-recognized relics as the capital city in Shang Dynasty.apital Cities and Tombs of the Ancient Koguro Kingdom. Located in North-west Xiaotun Village, Anyang City, Henan Province, Yin Ruins is the first recorded and archaeologically-recognized relics as the capital city in Shang Dynasty.
The Shang dynasty was the earliest dynasty in Ancient China for which there is direct historical evidence. history map of the Shang Dynasty in Ancient China. Shang dynasty kings ruled over a well-organized and civilized state in northern China between 1766 BC and 1122 BC.Under them, many of the key features of later Chinese civilization began to develop.f traditional Chinese historiography is followed, the Xia kingdom was conquered in c. 1766 BC by a ruler of a neighbouring state which was subordinate to the Xia. This ruler was the founder of the Shang dynasty. The resulting kingdom became the most powerful state in northern China.