Yamato regime builds Naniwa Port, an international port, and a large warehouse complex (Hoenzaka Site)
Administrative and diplomatic facilities established in Naniwa, including large and small districts, a hall to accommodate Korean diplomats, and the Naniwa Storehouse

Sui Dynasty founded

Dispatch of envoys to China begins around the year 600
Sui Dynasty envoy Pei Shiqing welcomed in Naniwa

Tang Dynasty founded

Japan's first envoy to the Tang Dynasty departs in 630
Tang Dynasty envoy Gao Biaoren welcomed in Naniwa

Political unrest in Goguryeo

For several years thereafter,
political turmoil
in Baekje and Silla also have a significant effect on Japan

Fall of the Soga clan (Isshi Incident)

Taika Reform begins
Emperor Kotoku moves the capital to Naniwa
First era name (Taika) thought to have been proclaimed

By around this time, construction of Naniwanonagaranotoyosakinomiya (Former Naniwa Palace) has begun

Naniwanonagaranotoyosakinomiya completed

Baekje destroyed

Capital moved to Otsu Palace

Goguryeo destroyed

Prince Oama prevails in the Jinshin Disturbance
The following year, he is enthroned as Emperor Tenmu at Asuka Kiyomihara Palace

Silla unifies the Korean Peninsula

Fortress constructed in Naniwa

Naniwa Palace becomes one of several imperial capitals

Former Naniwa Palace destroyed by fire

Capital moved to Fujiwara-kyo

Capital moved to Heijo-kyo

Epidemics kill many people

Capital moved to Kuni-kyo

Naniwa Palace becomes temporary imperial capital

Eye-opening ceremony performed for the Great Buddha at Todaiji

Empress Koken visits Naniwa Palace and takes up residence in the new palace in the southeastern part of the Naniwa complex

Capital moved to Nagaoka-kyo

Naniwa Palace main buildings removed to Nagaoka-kyo

Naniwa Palace abandoned around this time