Final answer:
The tune of the current German national anthem, composed by Joseph Haydn, was not first known as "God Save Emperor Francis".
Step-by-step explanation:
No, the tune of the current German national anthem, composed by Joseph Haydn, was not first known as "God Save Emperor Francis".
The current German national anthem, also known as "Deutschlandlied", was actually written by August Heinrich Hoffmann von Fallersleben in 1841. The lyrics were set to music composed by Joseph Haydn, which was originally used for the Austrian imperial anthem. It became the national anthem of Germany in 1922.