Rochester Cyclone, 1883

A devastating cyclone hit Rochester on August 21, 1883. It killed dozens of people and injured many more, but emergency health services in the tornado's aftermath also led to the eventual creation of the Mayo Clinic.

Rockne, Anton Julius (1868–1950)

Minnesota State Senator Anton J. Rockne took pride in the nickname "Watchdog of the State Treasury." Yet as America's Great Depression deepened in 1932, he fought against programs for the poor and his opponents branded him "Commander-in-Chief of the Hunger Brigade."

Rolette, Joseph (1820–1871)

Joseph Rolette was a fur trader and politician during Minnesota's territorial period. A colorful character in his time, Rolette is remembered for the drastic action he took to assure that St. Paul would become Minnesota's state capital.

Ronning Ensilage Harvester

Patented in 1915, the ensilage harvester improved on standard practices for harvesting and storing crops, and streamlined farm work. Its basic design, largely unmodified, is still used by agricultural implement companies worldwide.

Rosing, Leonard August (1861–1909)

When Leonard August Rosing became chairman of the Minnesota Democratic Party in 1896, he had his work cut out for him: Republicans had controlled the governorship since before the Civil War. But Rosing was successful in unseating Republicans and getting Democrat John Lind elected governor in 1898.

Sanford, Maria (1836–1920)

One of the first female professors in the United States, Maria Sanford was an English professor at the University of Minnesota for nearly thirty years. Her exceptional teaching, notable public lectures, and active community leadership led many to call her "the best loved woman in Minnesota."

Sawmills, Red Lake Indian Reservation

Since the first sawmill was built near Red Lake in 1856, the harvesting and processing of timber has been a significant part of the local economy. It has provided an enduring source of income for the Ojibwe living in the area that is now the Red Lake Indian Reservation.

Schubert Club

Founded in 1882, the Schubert Club is one of the oldest existing arts organizations in the country. It has had a significant impact on the cultural life of St. Paul, supporting music education and hosting concerts featuring well-respected local, national, and international musicians.

Second Battery of Minnesota Light Artillery

The Second Battery of Minnesota Light Artillery fought in some of the major battles in the Civil War's Western Theater. In their three and a half years of service, the Second's officers and men had the unique experience of functioning in all branches of the army-artillery, cavalry, and infantry.

Second Minnesota Volunteer Infantry Regiment

On Wednesday afternoon, November 25, 1863, the Second Minnesota Volunteer Infantry Regiment participated in one of the most dramatic assaults of the Civil War. They were fighting the Battle of Missionary Ridge, one of several important battles they had been involved in throughout their two years of service in the Union Army. This battle would prove to be the most significant in the history of the regiment.

Sell, Elmer, 1901–1965 and Sell Airfield

Carver County made its mark on aviation history thanks to local aviation pioneer Elmer Sell. Owner of the first airplane in Carver County, Sell founded Sell Airfield and had a flying career spanning four decades.

Seminary Fen Scientific and Natural Area

Seminary Fen is located between the cities of Chaska and Chanhassen, just across the river from Shakopee. In the twenty-first century, the site is a rare wetland, but the site was used long before the state Department of Natural Resources (DNR) took control in 2008.

Seventh Minnesota Volunteer Infantry Regiment

The Seventh Minnesota Infantry served on Minnesota's frontier in the troubled summer of 1862 and through the first half of 1863. The regiment eventually headed south, taking part in a key battle that virtually destroyed a major Confederate army. They also participated in one of the final campaigns of the war.

Sharei Chesed Congregation, Minnetonka

Sharei Chesed (Gates of Kindness or Splendor) is a Conservative Jewish congregation in Minnetonka. It was created in 1969 when two North Minneapolis Orthodox congregations merged. They were Sharei Zedeck (Gates of Righteousness) and Gemelus Chesed (Providing Kindness).

Shir Tikvah Congregation, Minneapolis

Shir Tikvah is a Reform congregation located in south Minneapolis. It was founded in 1988 after a dispute at St. Paul's Mount Zion Temple over the homosexuality of Associate Rabbi Stacy Offner. Offner resigned from Mount Zion in February 1988. She was the first woman rabbi in Minnesota.

Sister Kenny Institute

The Sister Kenny Institute, opened in 1942, was a world-renowned center for polio treatment. Founded by Australian nurse Elizabeth Kenny, it was an early leader in the field of rehabilitation medicine and remains a prominent center for rehabilitation treatment and research.

Sisters of St. Joseph, St. Paul Province: Origins and Foundations

In 1851 Bishop Joseph Cretin needed help to preach the Catholic faith to the growing St. Paul community. In July of that year he asked the Sisters of St. Joseph of Carondelet in Missouri to assist him. Mother St. John Fournier and three Catholic sisters traveled to the city in the fall and quickly influenced the health and welfare of the region.

Sixth Minnesota Volunteer Infantry Regiment

The Sixth Minnesota Volunteer Infantry performed crucial frontier service during the U.S.-Dakota War of 1862 and into 1863. Their first experience in the South involved horrible attrition due to disease. Yet the regiment held together, and they took part in one of the final Southern campaigns in 1865.

Smith, Lena Olive (1885–1966)

Lena Olive Smith was a prominent civil rights lawyer and activist during the 1920s and 1930s. She made major contributions toward securing civil rights for minorities in the Twin Cities. Smith began fighting for the rights of others when she became the first African American woman licensed to practice law in Minnesota in 1921. She was the only African American woman to practice law in the state until 1945.

Socialist Opera House, Virginia

Virginia's Socialist Opera House was one of many halls built in communities across the nation where concentrations of Finnish immigrants had settled. Used for dances, gymnastic performances, and stage plays, the halls also provided meeting places for like-minded Finns, many of them laborers who embraced socialist ideals.

Soo Line-First National Bank, Minneapolis

When it opened at the corner of Marquette Avenue and Fifth Street in 1915, the Soo Line-First National Bank Building was the tallest skyscraper in Minneapolis and also among the most elegant.

Soudan Mine, Tower

The Soudan Mine, which opened in 1884, is located at the western edge of the Vermilion range, about two miles northeast of Tower. It was the first iron mine in the state, and its first ore shipment in the summer of 1884 marked the beginning of the state's mining industry.

Southdale Center

Donald Dayton, head of Minneapolis-based Dayton's department stores, teamed up with designer Victor Gruen to create a comfortable, convenient setting for Minnesota shoppers. In 1952, Dayton and Gruen unveiled their plans for Southdale, the nation's first enclosed, weatherproofed mall.

Split Rock Lighthouse

Split Rock Lighthouse opened in the summer of 1910 to guide bulk ore ships sailing near Lake Superior's rocky coast. By 1940, its picturesque North Shore setting had made it one of the most visited lighthouses in the United States.

St. Anthony Falls Tunnel Collapse, October 5, 1869

On October 5, 1869, water seeped and then gushed into a tunnel underneath St. Anthony Falls creating an enormous whirlpool. The falls were nearly destroyed. It was years before the area was fully stabilized and the falls were again safe from collapse.

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