In April 1970, Minneapolis public school teachers went on strike to demand higher pay and smaller class sizes. The strike resulted in the passage of the Public Employment Labor Relations Act, granting public employees—including teachers—the right to bargain collectively.

The Nonpartisan League nominated Charles A. Lindbergh Sr. as its candidate to challenge Governor Joseph A. A. Burnquist in the June 1918 Republican primary. Although Burnquist prevailed and went on to win the general election in November, the bitter, often violent campaign transformed Minnesota politics.

On Tuesday, December 12, 2006, federal Immigration and Customs Enforcement (ICE) agents raided six meat-processing plants in six US states, including one in Worthington, Minnesota. At the Worthington plant alone, 239 workers were detained, leaving the city’s 11,283 residents in a state of turmoil. Children and families sought out community churches for asylum while local organizations worked tirelessly to establish faith-based and interpersonal networks to support the Worthington community.

Sarah Jane Steele is born in Pennsylvania. She married fur trader Henry Sibley in 1843; when he became the state of Minnesota's first governor in 1858, she became its first First Lady. Before her death in 1869, she advocated for historical preservation, making a particular effort to save and interpret Mount Vernon, the home of George Washington. The Sibleys' own house in Mendota has been called "the Mount Vernon of Minnesota."

On August 21, 1965, the Beatles played their one and only concert in Minnesota. Beatlemania was in full throat that night at Metropolitan Stadium, where the screaming fans drowned out the group’s half-hour set. But the hijinks had only just begun. In an episode straight from the Beatles’ film A Hard Day’s Night, the band's sleepover at the Minneapolis Leamington Motor Inn involved chases between fans and hotel security, a limo driver roped in for off-duty crowd control, a reporter disguised as a waitress, and the police.

FBI and INS (Immigration and Naturalization Service) agents arrest Zacarias Moussaoui in Minneapolis for an immigration violation. They find weapons and Boeing flight manuals in his possession, and in an ensuing trial (held after the terrorist attacks on September 11), Moussaoui admits to conspiring with al-Quaeda. The extent of his involvement in planning the September 11 attacks in particular is disputed.

Minnesotan Charles A. Lindbergh, a native of Little Falls, lands his airplane The Spirit of St. Louis outside Paris, sealing his achievement as the first person to complete a nonstop solo flight across the Atlantic Ocean.

Ojibwe historian William Whipple Warren dies from tuberculosis in St. Paul, at the age of twenty-eight. Decades after his death, in 1885, the Minnesota Historical Society published his book History of the Ojibway People.

Ojibwe author, historian, and legislator William Whipple Warren is born in La Pointe (then Michigan Territory) on Madeline Island (Mooniingwanekaaning-minis). He later moved to Minnesota and built a home and trading post at Two Rivers, near Royalton. He finished his historic book History of the Ojibway People there in 1852.

Though the war that ranged across southwestern Minnesota in 1862 between settler-colonists and a faction of Dakota people lasted for six weeks, its causes were decades in the making. Its effects are still felt today.