On this last Almanac edition before a long-weekend break... Today is World Pi Day and it's Potato Chip Day in the US. We'll choose one for a sound opportunity, touch on The Mikado (first performed on this date in 1885), and listen to a few seconds of the first-ever Gold Record (TM), certified this date in '58. Also, anniversary audio from Jack Ruby and birthday sounds from Billy Crystal, Albert Einstein, and Jerry Jeff Walker. And we'll close with the Rolling Stones: why they moved to France on this day in 1971 -- and what happened afterward. NOTE: The next AE Almanac will come down Monday, 3/19.