"[2][3] Flag Day was first proposed in 1861 to rally support for the Union side of the American Civil War.

In 1916, President Woodrow Wilson issued a presidential proclamation that designated June 14 as Flag Day.

[1] New York Consolidated Laws designate the second Sunday in June as Flag Day, a state holiday.

Title 36 of the United States Code, Subtitle I, Part A, Chapter 1, Section 110[7] is the official statute on Flag Day.

[10] A day to celebrate the newly-popular flag was proposed by Charles Dudley Warner in Hartford, Connecticut.

The school has been restored, and a bust of Cigrand also honors him at the National Flag Day Americanism Center in Waubeka.

[13] On the third Saturday in June 1894, a public school children's celebration of Flag Day took place in Chicago at Douglas, Garfield, Humboldt, Lincoln, and Washington Parks.

Cigrand generally is credited with being the "Father of Flag Day," with the Chicago Tribune noting that he "almost singlehandedly" established the holiday.

[14] William T. Kerr, a native of Pittsburgh and later a resident of Yeadon, Pennsylvania, founded the American Flag Day Association of Western Pennsylvania in 1888, and became the national chairman of the American Flag Day Association one year later, serving as such for fifty years.

[17] In 1893, Elizabeth Duane Gillespie, a descendant of Benjamin Franklin and the president of the Colonial Dames of Pennsylvania, attempted to have a resolution passed requiring the American flag to be displayed on all Philadelphia's public buildings.

[16] The Elizabeth Duane Gillespie Junior High School was added to the National Register of Historic Places in 1989.

[19] The Elks prompted President Woodrow Wilson to recognize the Order's observance of Flag Day for its patriotic expression.

[19] During the 1913 Paterson silk strike, IWW leader "Big" Bill Haywood asserted that someday all of the world's flags would be red, "the color of the working man's blood."

[citation needed] The Betsy Ross House has long been the site of Philadelphia's observance of Flag Day.

On June 14, 1846, 33 American settlers and mountain men arrested the Mexican general in command at Sonoma, and declared the "Bear Flag Republic" on the Pacific Ocean coast as an independent nation.