March 15, 1946. On this day Kenneth Millar left the navy. A year later he published his first novel, Blue City. Eventually he settled on the pseudonym Ross Macdonald.
March 15, 1948. On this date the great philosopher Ludwig Wittgenstein wrote to his friend the mystery writer Norbert Davis: “Your mags are wonderful. How people can read Mind if they could Street and Smith [Detective Story Magazine] beats me."
March 15, 1972. Francis Ford Coppola's The Godfather was released. It went on to win the Oscar for Best Picture.
March 15, 1985. On this date Ian Rankin conceived his great character, Inspector John Rebus.
March 15, 1989. Sue Grafton's F is for Fugitive was published.
March 15, 200? On this date 22-year-old singing star Cherry Pie suffers yet another overdose in Miami Beach. Thus begins Carl Hiassin's Star Island..
So that's one date. 364 to go.