March 16 is the 75th day of the year in the Gregorian calendar, with 290 days remaining in a leap year. It is often associated with the arrival of spring in the Northern Hemisphere, as it falls just a few days before the official start of the season. On this day, various events and observances take place around the world. For example, National Artichoke Hearts Day is celebrated in the United States, highlighting the culinary use of artichoke hearts. Additionally, March 16 has historical significance, as it marks the anniversary of notable events such as the founding of the city of San Francisco in 1776.