Budō was featured in the Summer Olympic Games demonstration programme in 1964.[1]
This included demonstration of kyūdō, kendo and sumo. Judo, which is a budo, was part of the regular program.
. Bill Mallon, Jeroen Heijmans . Historical Dictionary of the Olympic Movement . 2011. 69. 9780810875227 . Mallon . Bill . Heijmans . Jeroen .