Assertion: aikido | /r/HasProperty | developed through 1930
Facets:
value: by morihei ueshiba
type: OTHER
value: during the late 1920s
type: TEMPORAL
Source sentences:
text: Aikido is a modern martial art developed primarily during the late 1920s through the 1930s by Morihei Ueshiba from the system of Daitō-ryū Aiki-jūjutsu.