Flag of Germany
|Design||A horizontal tricolour of black, red, and gold. |
Germany has two competing traditions of national colours, black-red-gold and black-white-red, which have played an important role in the modern history of Germany. The black-red-gold tricolour first appeared in the early 19th century and achieved prominence during the 1848 Revolutions. The short-lived Frankfurt Parliament of 1848–1850 proposed the tricolour as a flag for a united and democratic German state. With the formation of the Weimar Republic after World War I, the tricolour was adopted as the national flag of Germany. Following World War II, the tricolour was designated as the flag of both West and East Germany in 1949. The two flags were identical until 1959, when the East German flag was augmented with the coat of arms of East Germany. Since reunification on 3 October 1990, the black-red-gold tricolour has become the flag of reunified Germany. After the Austro-Prussian War in 1866, the Prussian-dominated North German Confederation adopted a tricolour of black-white-red as its flag. This flag later became the flag of the German Empire, formed following the unification of Germany in 1871, and was used until 1918. Black, white, and red were reintroduced as the German national colours with the establishment of Nazi Germany in 1933, replacing German republican colours with imperial colours until the end of World War II. The colours of the modern flag are associated with the republican democracy formed after World War I, and represent German unity and freedom. During the Weimar Republic, the black-red-gold colours were the colours of the democratic, centrist, and republican political parties, as seen in the name of Reichsbanner Schwarz-Rot-Gold, formed by members of the Social Democratic, the Centre, and the Democratic parties to defend the republic against extremists on the right and left. 
Black, red and yellow have played an important role in German history and can be traced back to the medieval banner of the Holy Roman Emperor - a black eagle with red claws and beak on a gold field.