The Yemen Arab Republic (YAR; Arabic: الجمهورية العربية اليمنية al-Jumhūrīyah al-‘Arabīyah al-Yamanīyah), also known simply as North Yemen or Yemen (Sanaʽa), was a country from 1962 to 1990 in the northwestern part of what is now Yemen. Its capital was at Sanaa. It united with the People's Democratic Republic of Yemen (commonly known as South Yemen) on 22 May 1990 to form the current Republic of Yemen.