The Girl Scouts trace their origin to March 12, 1912, when Juliette Gordon Law officially registered the first 18 "Girl Guide" members in Savannah, Georgia. Tuesday, therefore, is Girl Scouts Day.
Feel free to celebrate with a cookie or two.
Tuesday will also be Organize Your Home Office Day -- unless you work for Yahoo, that is, in which case March 12 may well be Shut Down Your Home Office Day. Tuesday is also National Baked Scallops Day, although you might want to wait until Friday to observe that one.
For reasons we can not fathom, Usual Suspect Hallmark.com suggests that Tuesday will be National Alfred Hitchcock Day. British filmmaker Hitchcock was born on August 13, 1899 in London and died, in California, on April 29, 1980. So what's the connection to March 12? We can't figure it out.