The Aerial Bridge, spanning the Duluth Ship Canal, carries its first passengers across the harbor inside a carriage suspended from the bridge's framework. The system would be replaced with a lift bridge in 1930.

Present-day Minnesota west of the Mississippi River is included in the District of Louisiana, to be governed by Indiana Territory. Nearly a year later, on March 3, 1805, this region became part of Louisiana Territory.

Al Sieber is born in Germany. Sieber moved to Minneapolis in 1856, joined the First Minnesota Volunteer Infantry Regiment in 1862, and after the Civil War become an army scout in the American West. Wounded twenty-nine times in combat, he was killed during construction of the Roosevelt Dam in 1907.

Horsecar service ends in St. Paul.

Minneapolis and St. Anthony are united into one city.

Beltrami County is formed, though settler colonists did not move into the area until the 1880s. The county's name honors Italian adventurer Giacomo C. Beltrami, who had explored the region in 1823.

Thomas Lowry is born in Logan County, Illinois. After arriving in Minneapolis in 1868, Lowry would play an instrumental role in establishing the Twin Cities' streetcar system. He died in 1909.

Minneapolis native Prince sweeps the Grammy Awards as his soundtrack to Purple Rain earns awards for best soundtrack, best rock performance, and best R&B song.

Hubbard County is organized and named for Lucius F. Hubbard, who served as governor from 1882 to 1886.

Mount Zion Hebrew Congregation, the first Jewish organization in Minnesota, is formed in St. Paul.