noun
Independence Day celebration
Refers to the celebration or festival held on a country's Independence Day, not the holiday itself.
アメリカの独立祭は7月4日に行われる。
America's Independence Day celebration is held on July 4th.
独立記念日 is the Independence Day holiday itself, while 独立祭 refers specifically to the celebration or festival.
Compound of 独立 (independence) and 祭 (festival).