March 20th is the 79th day in the Gregorian calendar; it marks the anniversary of the organization of the Republican Party of the United States and the publishing of Albert Einstein's general theory of relativity. Famous March 20th birthdays include Bobby Orr, Holly Hunter, and Kathy Ireland. March 20th also marks French Language Day, International Day of Happiness, National Proposal Day and Spring Equinox.

We have 6 holidays listed for March 20.