caning of Charles Sumner
{'<entity_0>': 'caning of Charles Sumner', '<entity_1>': 'Preston Brooks', '<entity_2>': 'Charles Sumner', '<entity_3>': '22 May 1856'}
[['caning of Charles Sumner', 'point in time', '22 May 1856'], ['caning of Charles Sumner', 'facet of', 'Charles Sumner'], ['caning of Charles Sumner', 'facet of', 'Preston Brooks'], ['caning of Charles Sumner', 'start time', '22 May 1856'], ['caning of Charles Sumner', 'end time', '22 May 1856']]
The <entity_0>, or the Brooks–Sumner Affair, occurred on <entity_3>, in the United States Senate, when Representative <entity_1>, a pro-slavery Democrat from South Carolina, used a walking cane to attack Senator <entity_2>, an abolitionist Republican from Massachusetts, in retaliation for a speech given by Sumner two days earlier in which he fiercely criticized slaveholders, including a relative of Brooks.
['assault']