1. On April 6, 1968, just one day after the assassination of Martin Luther King Jr., a rally was held at the University of Minnesota to honor his legacy and call for an end to racial discrimination. Over 30,000 people attended the event, which was one of many across the country in the wake of King's death.

2. April 6, 1971, marked the opening of the first Skyway system in downtown Minneapolis. The Skyway is a series of enclosed pedestrian walkways that connect buildings and provide shelter from the city's harsh winters. Today, the system spans over 11 miles and is one of the largest indoor pedestrian networks in the world.

3. In 1992, April 6 marked the groundbreaking ceremony for the Mall of America, which would become the largest mall in the United States. The mall opened two years later and features over 500 stores, an amusement park, and an aquarium, among other attractions.

4. On April 6, 2005, the Minnesota Senate passed a bill allowing for the creation of civil unions between same-sex couples. While the bill was ultimately vetoed by the governor, it marked a step forward for LGBTQ+ rights in the state.

5. April 6, 2012, saw the opening of the Minnesota Vikings' new stadium, U.S. Bank Stadium. The state-of-the-art facility replaced the team's previous home, the Metrodome, and features a retractable roof, advanced audio and visual systems, and plenty of amenities for fans.