- Initially the Union Flag was called a jack only when it was flown at the bowsprit of British naval vessels, but it was commonly called the Union Jack by the late.
- Previously, Canada has the Union Jack in its flag design from 1868 to 1965. Rhodesia (now Zimbabwe) included the Union Jack from 1964 to 1968.
- İskoçya Bayrağı: Mavi Zemin Üzerine Beyaz Aziz Andrew Bayrağı. Kral James VI-I tarafından sergilenen ilk Union Jack.
- Those that do not refer to the flag as Union Flag believe that its rightful name is The Union, Jack. This term was used by British admirals since its inception.
- The current design of the Union Flag or Jack dates from the union of Ireland and Great Britain in 1801 with the formation of the United Kingdom.
- By 1674, the flag was being referred to as Union Jack which finally became its official name. In 1801, King George proclaimed the new flag as the Union Flag.
- Why the UK's flag is called the Union Jack? It's a combination of three older national flags, and the Union Jack comes from unity and the Navy.
- Pause for an intake of breath amongst purists; “No, it’s the Union Flag!”. Whether you prefer ‘flag’ or ‘jack’, most agree on the union part of the name.
- The Union Jack even has official status in Canadian parliament, despite not appearing on their maple leaf (though Canadians do call it the Royal Union Flag).
- The Jack in Union Jack refers to the name for a small flag flown on the jackstaff of a ship, which is a pole extending from the bow of the ship.