Correction: Our staff producer pronounced the the Japanese word "ōbōn" incorrectly in this episode. It is pronounced OH-bohn not oh-BAHN.Let us be the first to wish you a Happy Flag Day, beautiful nerds!  Anyone who has listened to 99% Invisible regularly knows we have a thing for flags, which can beautiful things that give communities something symbolic to rally around. This year, we decided to get the celebration started early then keep the party going with two whole weeks of flag-related stories. They look like normal Japanese flags (hinomaru) at a glance, but upon inspection, they are covered in handwritten notes often radiating outward in kanji from the central red circle (a sun against a field of white). Different messages are written in different hands directly on the fabric. These so-called "good luck flags" were gifted to soldiers, particularly during WWII, as part of a send-off from loved ones -- and their name in English comes from one of the most commonly written phrases on them: good luck. Antarctica is a wonderfully strange place, and not just because of its infamously frigid climate. This huge landmass doesn’t have an independent government or even a permanent human population. It also has a lot of flags, though strangely: no single official one. Flag Days: Good Luck, True South