"And it's a lot like the United Nations flag with land shown in white against this field of blue." - KURT KOHLSTEDT, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #UnitedNationsDay #KurtKohlstedt

"So, if there's millions of these flags, what happened to all of them?" - ROMAN MARS, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #FlagDay #RomanMars

"I assume I'm the first and probably the only person to wish you a happy Flag Day." - ROMAN MARS, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #FlagDay #RomanMars

"Well, thanks for bringing this to us and, you know, happy Flag Day." - ROMAN MARS, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #FlagDay #RomanMars

"Yeah, happy Flag Day to you too, Roman!" - KURT KOHLSTEDT, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #FlagDay #KurtKohlstedt

"So, aside from following good vexillological principles around simplicity and clarity, does the diamond have deeper meaning or symbolism?" - ROMAN MARS, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #FlagDay #RomanMars

"So, at any given time, there are tons of different flags circling the South Pole, in part because of Antarctica's unique political history." - KURT KOHLSTEDT, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #FlagDay #KurtKohlstedt

"For those of you beautiful nerds who weren't aware, Flag Day is June 14th, so consider this your advance notice." - ROMAN MARS, Flag Days: Good Luck, True South, 99% Invisible #99PercentInvisible #99pi #FlagDaysGoodLuckTrueSouth #FlagDay #RomanMars