expression, noun
Day of Disgrace
Historical term referring to April 28, 1952, when the San Francisco Peace Treaty restored sovereignty to mainland Japan but left Okinawa under U.S. administration, seen as a day of humiliation in Okinawa.
沖縄では、四月二十八日を「屈辱の日」と呼ぶことがある。
In Okinawa, April 28th is sometimes called the 'Day of Disgrace'.