Indigenous People's Day
noun [ C usually singular ] uk/ɪnˌdɪdʒ.ɪ.nəs ˈpiː.pəlz ˌdeɪ/ us/ɪnˌdɪdʒ.ɪ.nəs ˈpiː.pəlz ˌdeɪ/
(每月10月的第二个星期一,美国一些州庆祝原住民的)原住民日
a US holiday on the second Monday of October when people in some states celebrate the Native Americans
See also: Columbus Day