Th Snkbts brwn br ncdnt (三毛別羆事件, Snkbts hgm jkn), ls knwn s th Rksnsw br ttck (六線沢熊害事件, Rksnsw yūg jkn) r th Tmm brwn br ncdnt (苫前羆事件, Tmm hgm jkn), ws srs f br ttcks whch tk plc 9-15 Dcmbr 1915, t th bgnnng f th Tshō r, n rmt r f Hkkd, Jpn. vr th crs f sx snwy dys, ml z brwn br ttckd nmbr f hshlds, kllng svn ppl nd njrng frthr thr. Th ncdnt hs bn rfrrd t s "th wrst nml ttck n Jpns hstry". Th ttcks ndd whn th hngry br, s smrt t strtd t trck ppl, ws sht dd.