On May 23 this year, Iranian people mark the anniversary of the liberation of the strategic port city of Khorramshahr in south-western Iran, which was retaken after 575 days on 24 May 1982.
[The celebration is held every year on 2 Khordad in the Persian calendar, which either falls on 23 or 24 May in the Gregorian calendar, depending on the leap year]
To read more about the celebrations, click here.