Tea was not known in China before the Tang dynasty, 618-906 A.D. An infusion of some kind of leaf, however, was used as early as the Chow dynasty, 1122-255 B.C., as we learn from the Urh-ya, a glossary of terms used in ancient history and poetry. This work, which is classified by subjects, has been assigned as the beginning of the Chow dynasty, but belongs more properly to the era of Confucius, K'ung Kai, 551-479 B.C.
Although known in Japan for more than a thousand years, tea only gradually became the national beverage as late as the fourteenth century.
In the first half of the eighth century, 729 A.D., there was a record made of a religious festival, at which the forty-fifth Mikado---"Sublime Gate"--Shommei Tenno, entertained the Buddhist priests with tea, a hitherto unknown beverage from Corea, which country was for many years the high-road of Chinese culture to Japan.
After the ninth century, 823 A.D., and for four centuries thereafter, tea fell into disuse, and almost oblivion, among the Japanese. The nobility, and Buddhist priests, however, continued to drink it as a luxury.
During the reign of the eighty-third Emperor, 1199-1210 A.D., the cultivation of tea was permanently established in Japan. In 1200, the bonze, Yei-Sei, brought tea seeds from China, which he planted on the mountains in one of the most northern provinces. Yei-Sei is also credited with introducing the Chinese custom of ceremonious tea-drinking. At any rate, he presented tea seeds to Mei-ki, the abbot of the monastery of To-gano (to whom the use of tea had been recommended for its stimulating properties), and instructed him in the mystery of its cultivation, treatment, and preparation. Mei-ki, who laid out plantations near Uzi, was successful as a pupil, and even now the tea-growers of that neighborhood pay tribute to his memory by annually offering at his shrine the first gathered tea-leaves.
After that period, the use of tea became more and more in fashion, the monks and their kindred having discovered its property of keeping them awake during long vigils and nocturnal prayers.
Prom this time on the development and progress of the plant are interwoven with the histories and customs of these countries.