In the 1750's, Benjamin Franklin used a piece of wood on which he carved the image of a snake. The caption read, "Join or Die." Like a seal, it was on the newspaper he published called the Pennsylvania Gazette, in which he protested the colonial policies of the British.
一七五○年代，富蘭克林在美洲大陸，用木頭刻著蛇的圖像及「加入或死」的字樣，像蓋印一樣蓋在他所發行的賓州公報上，宣揚對抗英國的殖民政策。