Assertion: aikido | /r/HasProperty | developed
Facets:
Source sentences:
text: Aikido was developed between the 1920's to the 1940's by Morihei Ueshiba, known as O Sensei (Great Teacher).
text: It is enough to know that aikido is an art that was developed and founded by Morihei Ueshiba (1883-1969), and that it owes a great deal of its form and substance to Daito Ryu Aikijujitsu as taught by Sokaku Takeda (1860-1943).
text: From the battlegrounds of feudal Japan, aikido is a martial art that was developed to allow unarmed samurai a chance to defend themselves against a sword.