Edo society
The "Bakumatsu" from 1853 led to growing opposition to the Edo system and it was dismantled after the Meiji Restoration in 1868 . 
<triplet> Bakumatsu <subj> 1853 <obj> start time <subj> 1868 <obj> end time <triplet> Meiji Restoration <subj> 1868 <obj> start time