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, Pennsylvania almost ten and a half months later (see Flag Act).,
American Civil War: Battle of Vicksburg- Vicksburg, Mississippi surrenders to Ulysses S. Grant after 47 days of siege. 150 miles up the Mississippi River, a Confederate Army is repulsed at the Battle of Helena, Arkansas.,