Though the modern formal definition was first stated by 1878 by Ferdinand Georg Frobenius
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikipedia
- #event
Though the modern formal definition was first stated by 1878 by Ferdinand Georg Frobenius
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.