Yayoi: is an Iron Age era in the history of Japan traditionally dated 300 BC to AD 300. Techniques in metallurgy based on the use of bronze and iron were also introduced in this period.
Kofun:is an era in the history of Japan from around 250 to 538. It follows the Yayoi period. The word kofun is Japanese for the type of burial mounds dating from this era.
Nara:of the history of Japan covers the years from AD 710 to 794.[1] Empress Gemmei established the capital of Heijō-kyō (present-day Nara). Except for a five-year period (740–745), when the capital was briefly moved again, it remained the capital of Japanese civilization until Emperor Kammu established a new capital, Nagaoka-kyō, in 784, before moving to Heian-kyō, or Kyoto, a decade later in 794.
Most of Japanese society during this period was agricultural in nature and centered around villages. Most of the villagers followed a religion based on the worship of natural and ancestral spirits called kami.
The capital at Nara was modeled after Chang'an, the capital city of Tang China.[2] In many other ways, the Japanese upper classes patterned themselves after the Chinese, including adopting Chinese written characters (Japanese: kanji), fashion, and the religion of Buddhism.
Heian: is the last division of classical Japanese history, running from 794 to 1185.[1] The period is named after the capital city of Heian-kyō, or modern Kyōto. It is the period in Japanese history when Buddhism, Taoism and other Chinese influences were at their height. The Heian period is also considered the peak of the Japanese imperial court and noted for its art, especially poetry and literature. Although the Imperial House of Japan had power on the surface, the real power was in the hands of the Fujiwara clan, a powerful aristocratic family who had intermarried with the imperial