Mother's Day in Hong Kong
Mother's Day in Hong Kong is held on May 2. Also Hungary, Lithuania, Mozambique, Portugal, Spain, Romania; celebrated on the first Sunday in May. This event in the first decade of the month may is annual.
Dyngus Day on May 3 (It is very popular in Poland, as well as in Polish communities across America);
Father's Day in Romania on May 9 (Celebrated on the second Sunday of May);
Independence Day or King's Day in Romania on May 10 (celebrates the declaration of independence of Romania from the Ottoman Empire in 1877);
Children's Day in Hungary on May 30 (celebrated on the last Sunday in May)