Publisher. A+E Networks. On this day in 1776, in Philadelphia, Pennsylvania, the Continental Congress adopts the Declaration of Independence, which proclaims the independence of a new United States of America from Great Britain and its king.n July 2, 1776, the Continental Congress voted to approve a Virginia motion calling for separation from Britain. The dramatic words of this resolution were added to the closing of the Declaration of Independence.
The blue and white colors were chosen by Manuel Belgrano, the leader of the Argentinian revolution against Spain, and represent the blue sky parting to reveal white clouds, as is said to have happened when the Liberation demonstration began in Buenos Aires, Argentina, on May 25, 1810.
About the flag. The Argentine flag was conceived by General Manuel Belgrano, at the place where today is located the city of Rosario. Felipe Flores Pinto, 23 Feb 1998. There are several theories about the exact design raised by Manuel Belgrano on February 27th, 1812.