Years flown: 1848-1851

Presidents: James K Polk (1845-1849), Zachary Taylor (1949-1850) Millard Fillmore (1850-1853)

State added: Wisconsin

References: https://www.chamberofcommerce.org

 https://en.wikipedia.org/wiki/Flag_of_the_United_States

https://www.whitehouse.gov/about-the-white-house/presidents/