1. The first ever bank in the United States was established in Massachusetts on March 11, 1784. The Bank of North America opened its doors in Boston and quickly became a model for other financial institutions.

2. On March 11, 1861, the Confederate Constitution was adopted by the Confederate States of America during the Civil War. This event marked a major turning point in the conflict and set the stage for the next four years of fighting.

3. One of the deadliest fires in United States history occurred in Massachusetts on March 11, 1911. The Triangle Shirtwaist Factory fire in New York City claimed the lives of 146 garment workers, most of whom were young immigrant women.

4. On March 11, 1959, Lorraine Hansberry's groundbreaking play "A Raisin in the Sun" debuted on Broadway in New York City. The play tackled themes of racial segregation and discrimination, and became an important milestone in the struggle for civil rights.

5. Massachusetts Governor Charlie Baker declared a state of emergency on March 11, 2020, due to the COVID-19 pandemic. The state has since implemented strict measures to slow the spread of the virus, including mask mandates, social distancing guidelines, and capacity limits for businesses and public gatherings.