Flag of Germany
When Heinrich XI, Prince Reuss of Greiz was appointed by Joseph II, Holy Roman Emperor to rule the then-new Principality of Reuss-Greiz on 12 May 1778, the flag adopted by the "Fürstentum Reuß-Greiz" was the first-ever appearance of the black-red-gold tricolour in its modern arrangement in any sovereign state within what today comprises Germany – the Reuss elder line that ruled the principality used a flag whose proportions were close to a "nearly square"-shape 4:5 hoist/fly ratio, instead of the modern German flag's 3:5 figure.
Coat of arms of Germany
The Federal Republic of Germany adopted the Weimar eagle as its symbol in 1950. Since then it has been known as the "Bundesadler" ("federal eagle"). The legal basis of the use of this coat of arms is the announcement by President Theodor Heuss, Chancellor Konrad Adenauer and Interior Minister Gustav Heinemann of 20 January 1950, which is word for word identical to the announcement by President Friedrich Ebert and Interior Minister Erich Koch-Weser by 11 November 1919: