The flags

UNITED KINGDOM

The current flag of the United Kingdom, known as the Union Flag or Union Jack, is a combination of the crosses of :
- Saint-George - Saint-Andrew - Saint-Patrick the respective patron saints of England, Scotland and Ireland. It was officially adopted in 1917.

The first version of the flag was created when the kingdoms of England and Scotland were united in the 17^th century. The cross of Saint Patrick was added in 1801, when Ireland was incorporated into the United Kingdom.