Japanese Samurai System

Timeline

1. c. 900–1150Kanto and Kinai · JapanFrom the 10th to early 12th centuries, regional magnates organized samurai bands (bushidan) around estate armed retainers and mounted archery skills, forming an early samurai order combining lord-vassal loyalty with land rewards, though they had not yet seized central power.
2. 1181Kamakura · KantoDuring the Genpei War of the 1180s, Minamoto no Yoritomo mobilized Kanto samurai through the gokenin system; after destroying the Taira at the naval battle of Dan-no-ura in 1185, he formally opened the Kamakura shogunate in 1192, elevating the samurai system from a military group to a national governing order.
3. c. 1192–1600Japanese archipelago · JapanFrom the Kamakura through Muromachi periods, offices such as shugo and jitō embedded samurai in local administration and estate management; samurai status, stipends, and lord-vassal relations were further institutionalized through family crests, surnames, and military service obligations.