"Lydian" C D E F♯ G A B C
"Ionian" C D E F G A B C
"Mixolydian" C D E F G A B♭ C
"Dorian" C D E♭ F G A B♭ C
"Aeolian" C D E♭ F G A♭ B♭ C
"Phrygian" C D♭ E♭ F G A♭ B♭ C
"Locrian" C D♭ E♭ F G♭ A♭ B♭ C

We still use 7 scales that the Greeks created