Flag of Vermont

Vermont's state flag was authorized in 1919 and features the state coat of arms (which includes the state motto) against a field of blue. All State Flags

From Vermont Statutes Online:

The Coat of Arms, Crest, Motto and Badge of the State shall be and are described as follows

(1) Coat of Arms. Green, a landscape occupying half of the shield; on the right and left, in the background, high mountains, blue; the sky, yellow. From near the base and reaching nearly to the top of the shield, arises a pine tree of the natural color and between three erect sheaves, yellow, placed diagonally on the right side and a red cow standing on the left side of the field.

(2) Motto and Badge. On a scroll beneath the shield, the motto: Vermont; Freedom and Unity. The Vermonter's badge: two pine branches of natural color, crossed between the shield and scroll.

(3) Crest. A buck's head, of natural color, placed on a scroll, blue and yellow.