1. On March 21, 1861, the Minnesota Legislature voted to donate $500,000 to support the Union troops fighting in the Civil War. This was a significant contribution from the state and helped demonstrate Minnesota's support for the Union cause.

2. March 21, 1903, saw the birth of Phyllis Wheatley, a prominent African American poet, author, and activist. Wheatley's work was influential in promoting the abolition of slavery and advancing the cause of civil rights.

3. In 1919, on March 21, the Minnesota Legislature passed a law allowing women to vote in local elections. This was a significant step forward for women's suffrage in the state and helped pave the way for broader voting rights.

4. On March 21, 1954, the first television broadcast in Minnesota took place. The broadcast was of the Governor's State of the State address and marked the beginning of a new era in communication and technology for the state.

5. March 21, 1966, saw the birth of Twin Cities hip-hop pioneer, Michael “Eyedea” Larsen. Eyedea's music was influential in the development of the underground hip-hop scene in Minnesota and he remains a beloved figure in the local music community.