Due to the post-Independence Day admission of Hawaii as the 50th U.S. state on August 21, 1959, the 50-star flag of the United States debuts in Philadelphia, almost ten and a half months later (see Flag Acts (United States)).

U.S. state

Constituent polity of the United States

In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sovereignty with the federal government.…

August 21

Day of the year

August 21 is the 233rd day of the year in the Gregorian calendar; 132 days remain until the end of the year.

Flag of the United States

The national flag of the United States, often referred to as the American flag or the U.S. flag, consists of thirteen horizontal stripes, alternating red and white, with a blue rectangle in the canton bearing fifty small, white, five-pointed stars arranged in nine offset…

Philadelphia

Largest city in Pennsylvania, United States

Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania. It is the sixth-most populous city in the United States with a population of 1.6 million at the 2020 census, while the Philadelphia metropolitan area with 6.33 million…

Flag Acts

Series of laws defining the flag of the early United States (1777, 1794, and 1818)

The Flag Acts are three laws that sought to define the design of the flag of the United States. All the submitted suggestions were remarkably short, the shortest being a sentence of 31 words, and the longest being a title and two sentences of 117 words.