Assertion: aikido | /r/HasProperty | developed in 20th century
Facets:
value: by morihei ueshiba
type: OTHER
Source sentences:
text: Aikido is a modern Japanese martial art, developed in the 20th century by Morihei Ueshiba, O' Sensei (1883- 1969).
text: Aikido was developed in the 20th century by Morihei Ueshiba, known to his students as O Sensei (” Great Teacher”).