Flag of Uruguay Flag of Uruguay The national flag of Uruguay () is one of the three official flags of Uruguay alongside with the Flag of Artigas and the Flag of the Treinta y Tres. It has a field of nine equal horizontal stripes alternating white and blue. The canton is white, charged with the Sun of May, from which 16 rays extend, alternating between triangular and wavy. The flag was first adopted by law on December 16, 1828, and had 19 stripes until July 11, 1830, when a new law reduced the number of stripes to nine. The flag was designed by
Flag of the United States John Paul Jones used a variety of 13-star flags on his U.S. Navy ships including the well-documented 1779 flags of the Serapis and the Alliance. The Serapis flag had three rows of eight-pointed stars with stripes that were red, white, and blue. The flag for the "Alliance", however, had five rows of eight-pointed stars with 13 red and white stripes, and the white stripes were on the outer edges. Both flags were documented by the Dutch government in October 1779, making them two of the earliest known flags of 13 stars. Francis Hopkinson of New Jersey, a naval flag designer,