1. Maine became a state on March 3, 1820. Previously, it had been a part of Massachusetts, but a lengthy dispute over the boundary between the two states (dating back to the 17th century) led to Maine separating and becoming its own state.

2. On March 3, 1879, the first electric streetlights in Maine were installed in Portland. The invention of the incandescent light bulb by Thomas Edison just a few years earlier had paved the way for the widespread use of electricity, and cities around the world were quickly embracing this new technology.

3. The Great Blizzard of 1888, one of the most severe snowstorms in recorded history, reached Maine on March 3rd of that year. The storm paralyzed much of the northeastern United States, with snow drifts as high as 40-50 feet in some areas. Many people were left stranded and without food or supplies for days on end.

4. The famous Maine-built schooner Bowdoin, now a museum ship in Castine, was launched on March 3, 1921. The vessel was designed for Arctic exploration and famously served as the flagship of Admiral Donald MacMillan's Arctic expeditions in the 1920s and 1930s.

5. On March 3, 1974, the first Women's Studies program in Maine was established at the University of Maine at Augusta. Women's Studies is an interdisciplinary field that examines the history, experiences, and contributions of women in society. Today, many universities across the country offer Women's Studies programs and courses.