The phrase "subtitle Independence Day" likely refers to the historical study by Adam J. Criblez, which explores the evolution of July 4th traditions.
Alternatively, if you are looking for a review of the 1996 blockbuster film (often subtitled ID4 in marketing) or its sequel, both are cultural staples of the sci-fi genre. Historical Review: Parading Patriotism subtitle Independence Day
By the centennial, the focus shifted toward private leisure and consumerism, including picnics, professional baseball games, and horse races. The phrase "subtitle Independence Day" likely refers to
Adam Criblez’s work analyzes how the Midwest used Independence Day to forge a unique national identity during the 19th century. professional baseball games
These were formal, community-centered rituals featuring long speeches, public readings of the Declaration of Independence, and military parades.