Flag of Greece ensign Greek Orthodox merchants (better: merchants from the Greek-dominated Orthodox "millet") were allowed to fly on their ships, combining stripes with red (for the Ottoman Empire) and blue (for Orthodoxy) colours. After the Treaty of Küçük Kaynarca, Greek-owned merchant ships could also fly the Russian flag. During the uprising of 1769 the historic blue cross on white field was used again by key military leaders who used it all the way to the revolution of 1821. It became the most popular Revolution flag, and it was argued that it should become the national flag. The "reverse" arrangement, white cross on
Flag of the Second Spanish Republic Castilian or Spanish republican colours which was added after the proclamation of the Second Spanish Republic in 1931. The colour of the band was changed from "morado" to navy blue in 2001 without sufficient explanation. Flag of the Second Spanish Republic The flag of the Second Spanish Republic, known in Spanish as "", was the official flag of Spain between 1931 and 1939 and the flag of the Spanish Republican government in exile until 1977. The Spanish republican flag began to be used on April 27, 1931, thirteen days after municipal elections results led to the abolition of the monarchy