yes December 18 is un declared international Arabic language day
December 18 is Arabic language day.
World Arabic Language Day (WALD), also known as the UN Arabic Language Day is observed annually on December 18. First established by the United Nations Education, Scientific and Cultural Organization (UNESCO) in 2010, the day celebrates the Arabic language and promotes cultural diversity.
18 December 1961 was a Monday.
18 December 1988 was a Sunday.
18 December 1994 was a Sunday.
December 18, 1963 fell on a Wednesday.
December 18, 1965 fell on a Saturday.
December 18, 1981 was a Friday.
December 18 2010 was a Saturday.
December 18, 1956 fell on a Tuesday.
December 18, 1984 fell on a Tuesday.
December 18, 1952 fell on a Thursday.