With the collapse of the Taira clan administration, the Kamakura bakufu (Japanese feudal government headed by a shogun) came to power after sorting out the civil wars aside from the Imperial Court, and the central govenment gained the right to rule the Eastern provinces, leading to the end of the Heian period.
平氏政権の崩壊とともに、中央政府である朝廷とは別個に、内乱を収拾して東国の支配権を得た鎌倉幕府が登場し、平安時代は幕を下ろした。