Between 1777 and 1960 Congress passed several acts that changed the shape, design and arrangement of the flag and allowed stars and stripes to be added to reflect the admission of each new state.
What is the meaning of the All Black American flag?
“The black flag came to mean: 'Give No Quarter. “No quarter,” our experts explained, means, "you won't be taking prisoners." In a time of war or in a battle, you plan to kill the enemy on the spot.9 Nov 2021
Can the US flag be changed?
No. There has been no revision of the Flag Code and there has been no Presidential Proclamation changing the guidelines for respectful display of the flag at night. Section 6a: "when a patriotic effect is desired, the flag may be displayed twenty-four hours a day if properly illuminated during the hours of darkness."