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.
United Team of Germany at the Olympics
As East Germany had introduced its own national anthem in 1949, Beethoven's Symphony No. 9 melody to Schiller's "Ode an die Freude" ("Ode to Joy") was played for winning German athletes as a compromise. In 1959, East Germany also introduced an altered black-red-gold tricolour flag of Germany as the flag of East Germany. Thus, a compromise had to be made also for the flag of the unified sports team. It was agreed upon to superimpose the plain flag with additional white Olympic rings. This flag was used from 1960 to 1968.