1. The Boston Tea Party occurred on December 5, 1773, when a group of colonists disguised themselves as Native Americans and destroyed shipments of tea in protest against British taxation.

2. On December 5, 1831, the first full-scale dynamo electric generator was publicly exhibited by Michael Faraday in Cambridge, MA. This was a significant breakthrough in the electrification of society.

3. On December 5, 1917, the first Pulitzer Prize for Fiction was awarded to Edith Wharton for her novel "The Age of Innocence". Wharton was the first woman to win the prestigious prize.

4. The Massachusetts State House, located on Beacon Hill in Boston, was dedicated on December 5, 1798. The iconic dome, originally made of wood, was later covered in copper by Paul Revere and his team of artisans.

5. December 5, 1928, marked the dedication of the Leonard P. Zakim Bunker Hill Memorial Bridge, which spans the Charles River and connects Boston to Charlestown. The bridge is named after civil rights activist Leonard P. Zakim and commemorates the Battle of Bunker Hill, which was fought nearby.