Wisconsin was the 30th state in the USA It became a state on May 29,1848. State Capital is Madison. Nickname is Badger State. Wisconsin's official state flag was adopted in 1913. - The flag has a deep blue background. White letters spell out "WISCONSIN" and "1848," the year Wisconsin became a state. - A sailor with rope and a miner with an axe surround a yellow shield in the center of the flag. - The shield depicts an arm and hammer, a plow, a pick and shovel, and an anchor - These represent Wisconsin's main industries: manufacturing, agriculture, mining, and shipping. - In the center of the shield is a blue ring with the words "E PLURIBUS UNUM" (which is the motto of the U.S.A. and means "Out of Many, One" , this refers to the states of the United States being united into one country). - Inside the ring is a smaller shield with a blue top and red and white stripes on the bottom.