1. Groundhog Day: February 2 also holds significance as Groundhog Day, the day when Punxsutawney Phil in Pennsylvania predicts whether or not there will be six more weeks of winter. Despite having no scientific basis, this tradition is celebrated across the country, including in the District of Columbia.

2. Inauguration Day: In the past, February 2 was also the date of presidential inaugurations. The official date for the inauguration was March 4 until the ratification of the 20th Amendment to the Constitution in 1933, which moved it to January 20. Therefore, several presidents, including George Washington, were inaugurated on February 2 during the early years of the country.

3. National Wear Red Day: In recent years, February 2 has been designated as National Wear Red Day, a campaign to raise awareness about heart disease in women. This initiative began in 2002 and is observed every year on the first Friday in February.

4. Blizzard of 1899: On February 2, 1899, the District of Columbia was hit by one of the most severe blizzards in its history. The snowfall lasted for three days and reached 25 inches, making it the largest snowstorm on record for the city. The blizzard caused significant damage to buildings and infrastructure and resulted in numerous deaths.

5. The signing of the Zip Code: On February 2, 1962, President John F. Kennedy signed a bill into law that officially established the use of ZIP codes in the United States. This system of five-digit codes helped to improve the efficiency of mail delivery and remains in use today.