England Flag: Meaning and History

History of the flag
Identical to that of the Italian city of Genoa, the flag of England has been used since the 12th century by English merchant ships, which were under the protection of the Genoese in the Mediterranean Sea.
What do the elements of the flag mean?

The Saint George’s Cross refers to the patron saint of England, known for slaying the dragon.
The white background is inherited from the flag of the Genoese navy.
