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 make the white stripes; scarlet material to form the red was secured from red flannel petticoats of officers' wives, while material for the blue union was secured from Capt. Abraham Swartwout's blue cloth coat. A voucher is extant that Capt. Swartwout of Dutchess County was paid by Congress for his coat for the flag. The 1777 resolution was most probably meant to define a naval ensign. In the late 18th century, the notion of a national flag did not yet exist, or was only nascent. The flag resolution appears between other resolutions from the Marine Committee. On May 10, 1779,