单词	Columbus Day
释义	Columbus Day noun Co·​lum·​bus Day kə-ˈləm-bəs-  1 : October 12 formerly observed as a legal holiday in many states of the U.S. in commemoration of the landing of Columbus in the Bahamas in 1492 2 : the second Monday in October observed as a legal holiday in many states of the U.S. Word History First Known Use 1892, in the meaning defined at sense 1
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