Reince Priebus of Wisconsin is elected as the chairman of the United States Republican National Committee.
The Wisconsin Supreme Court overturns Governor Tony Evers's order to postpone tomorrow's primary elections. Furthermore, the Supreme Court of the United States rules 5–4 in favor of the Republican National Committee to overturn a lower court decision extending absentee ballot eligibility in the Wisconsin primary election to those ballots postmarked by April 13, ruling that ballots postmarked after April 7 will be invalidated.
Taiwanese manufacturer Foxconn announces that the company is reconsidering their plan to manufacture LCD panels in a promised Wisconsin plant because of a changed global marketplace, and the high cost of United States labor. Foxconn said, earlier in January, that it still planned to create 13,000 jobs in Wisconsin. The State of Wisconsin pledged subsidies worth more than $3bn.
The governors of the U.S. states of Alabama, Arizona, Arkansas, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Louisiana, Maine, Michigan, Mississippi, Massachusetts, Nebraska, New Hampshire, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas and Wisconsin say they will not accept Syrian refugees in response to the Islamic terror attacks in Paris. Twenty-three of the 24 governors are Republican with the other being Democrat (New Hampshire).
Health authorities in the United States say that 53 people in nine states have been sickened in a salmonella outbreak. California is the worst affected state with 31 cases with the other states with cases include Arizona, Illinois, Mississippi, New Mexico, South Dakota, Virginia, Washington and Wisconsin.
A heavy blizzard in the midwestern US states of Minnesota, Wisconsin, Iowa, Illinois and Michigan dropping about three feet of snow results in two deaths, road closures, flight cancellations and the inflatable roof of the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota, collapsing.
23 students and a teacher are released after being taken hostage for five hours by an armed 15-year-old student, who then shot and injured himself, at Marinette High School in the town of Marinette, Wisconsin, United States.