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Sol de Mayo


Sun of May on the first Argentine coin, 1813

Sun of May in the flag of Argentina, 1818

Sun of May in the 1822 flag of Peru, 1822-1825

Sun of May in the flag of Uruguay, 1830

The Sun of May (Spanish: Sol de Mayo) is a national emblem of Argentina and Uruguay, and appears on both countries' flags.

In Argentina, the Sun of May is the radiant golden yellow sun bearing the human face and thirty-two rays that alternate between sixteen straight and sixteen wavy.

In Uruguay, the Sun of May is the yellow sun bearing the human face and sixteen triangular rays that alternate between eight straight and eight wavy.

The sun, called the Sun of May, is a replica of an engraving on the first Argentine coin, approved in 1813 by the Constituent Assembly, whose value was eight escudos (one Spanish dollar).

In form, it is similar to — and may be partially derived from — the sun in splendour, which is common in European heraldry. This, too, is usually depicted with a face, and with alternating straight and wavy rays (representing light and heat respectively), though it normally has only sixteen rays.

A 1978 law describing the official ceremonial flag of Argentina specifies that the sun must be golden yellow in color (amarillo oro), have an inner diameter of 10 cm, and an outer diameter of 25 cm (the diameter of the sun equals 56 the height of the white stripe, and the sun's face is 25 of its height), must feature 32 rays (16 undulated and 16 straight in alternation), and must be embroidered in the official ceremonial flag.


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Wikipedia

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