Common items shipped from Duluth include coal, iron ore, grain, limestone, cement, salt, wood pulp, steel coil, and wind turbine parts.

As part of the Treaty of Washington (1854) with the Lake Superior Band of Chippewa, the United States placed the Fond du Lac Indian Reservation upstream from Duluth near Cloquet, Minnesota.

In a Fourth of July speech, Thomas Preston Foster, the founder of Duluth's first newspaper, coined the expression "The Zenith City of the Unsalted Seas".

His speech opposing the St. Croix and Superior Land Grant lampooned Western boosterism, portraying Duluth as an Eden in fantastically florid terms.

Proctor Knott is sometimes credited with characterizing Duluth as the "zenith city of the unsalted seas," but the honor for that coinage belongs to journalist Thomas Preston Foster, who spoke at a Fourth of July picnic in 1868.

Immigrants from Sweden, Norway, Denmark, Germany, Austria, Czechoslovakia, Ireland, England, Italy, Poland, Hungary, Bulgaria, Croatia, Serbia, Ukraine, Romania, and Russia also settled in Duluth.

In September 1918, a group calling itself the Knights of Liberty dragged Finnish immigrant Olli Kinkkonen from his boarding house, tarred and feathered him, and lynched him.

Retired Duluth News Tribune columnist and journalist Jim Heffernan[34] wrote that his mother "recalled an overnight vigil watching out the window of their small home on lower Piedmont Avenue with her father, her younger sisters having gone to sleep, ready to be evacuated to the waterfront should the need arise.

The new plan called for parts of the highway to run through tunnels, which allowed preservation of Fitger's Brewery, Sir Ben's Tavern, Leif Erikson Park, and Duluth's Rose Garden.

[41] Duluth's prominence as a port city gave it an economic advantage in its early years, but as various industries began to wane, new efforts to reclaim areas of the waterfront for public use emerged.

It crosses nearly Duluth's entire length and affords views of Lake Superior, the Aerial Lift Bridge, Canal Park, and the many industries that inhabit the largest inland port.

[50] The creation of the Lake Superior basin reflects the erosive power of continental glaciers that advanced and retreated over Minnesota several times in the past 2 million years.

[60] Minnesota Governor Mark Dayton declared a state of emergency, sending the National Guard and the Red Cross to assist in the relief efforts.

[69][70][71] The polar bear was transferred to the Kansas City Zoo in 2012 as part of the American Zoological Association's (AZA) Species Survival Program breeding recommendation.

It had originally started as a waterspout in Superior Bay, two miles (3.2 km) from Sky Harbor Airport, but briefly found its way onto the sandbar's shoreline, making it a true tornado.

The News Tribune reported a possible twister on July 11, 1935:Swirling into the city on the wings of a torrential rain, a miniature tornado struck in the heart of the Gary-New Duluth district shortly before 8 a.m. yesterday, flattening a row of coal sheds [and] a frame garage and causing general damage to trees in the vicinity.

It is listed with the National Register of Historic Places, which says, "Old Central is a very fine example of that traditionally rich architectural style known as Romanesque and is certainly the most outstanding structure of its kind to be found in northern Minnesota.

The wreck of the Thomas Wilson, a classic early-20th-century whaleback ore boat, lies underwater less than 1 mile (1.6 km) outside the Duluth harbor ship canal.

Glensheen sits on 7.6 acres (3.1 ha) of lakefront property, has 38 rooms, and is built in the Jacobean architectural tradition, inspired by the Beaux-Arts styles of the era.

[114] Kechewaishke signed the 1854 Treaty of La Pointe a year before his death, with the provision that one square mile (2.6 km2) of land at the corner of Lake Superior be given to his adopted son Benjamin G.

The Dukes produced notable players such as Denny McLain, Bill Freehan, Gates Brown, Ray Oyler, Jim Northrup, Mickey Stanley, John Hiller, and Willie Horton, all of whom were members of the 1968 world champion Detroit Tigers.

During that time, Horton trained some of the most recognized professional and amateur boxers in Minnesota such as Walters, Kolle, RJ Lasse, Gary Eyer and Wayne Putnam.

The 2003 women's Frozen Four tournament was played at the DECC with the Bulldogs claiming their third consecutive national title by defeating Harvard University via a dramatic double-overtime goal by Nora Tallus in front of a sellout home crowd.

The Twin Ports North Stars are an amateur baseball team that plays its games at Ordean Field at Duluth East High School.

[155] Duluth offers numerous outdoor activities including fishing, hiking, skiing, sailing, canoeing, kayaking, surfing,[156] trail running, and mountain biking.

Duluth's Park Point is an excellent area for hunting, as shorelines and beaches are replenished each year because winter ice and storms push new material up on the shores.

Built in 1985 for fishing on the Grand Banks, the Blue Heron was purchased by the University of Minnesota in 1997; sailed from Portland, Maine, up the St. Lawrence Seaway, to Duluth; and converted into a limnological research vessel during the winter of 1997–98.

Minnesota Power primarily uses western coal to generate electricity but also has a number of small hydroelectric facilities, the largest of which is the Thomson Dam southwest of Duluth on the Saint Louis River.

The plant's oldest structure, the Lakewood Pumphouse, was built in 1896 in Romanesque Revival style, replacing older facilities that had been unable to prevent a typhoid epidemic.

The department also operates a fire apparatus fleet of six engines, one tower ladder, two quints, one heavy-duty rescue, two light medical response vehicles, and numerous other special, support, and reserve units.