Assertion: judo's founder | /r/CapableOf | start formal ranking procedure
Facets:
value: in 1883
type: TEMPORAL
Source sentences:
text: According to this site Judo belts didn't have the wide variety of colours as we see today, in fact, the founder of Judo Jigoro Kano only started a formal ranking procedure in 1883 when he awarded 2 of his students the rank of Shodan (1st Dan) in 1883.