Childrens day:

[edit] Hong Kong
Children's Day is celebrated on April 4 each year (the same day as the Republic of China (Taiwan) since ROC established the Children's Day on April 4 in 1931. The ROC government combined Women’s Day with Children’s Day on April 4 in 1993, officially calling it Women’s and Children’s Day, making it a day for women, mothers, and children. The practice is still observed by both the Hong Kong SAR Government and the public after the handover in 1997, though this festival has not been a public holiday before the handover. [1], [2], [3]
Hungary
In 1931, Children's day started although then it was called Children's Week, but since 1950 it has only been a day, the last Sunday in May. International children's day is celebrated on the first Monday of October.
India
In India, Children's Day is celebrated on November 14 every year. This date marks the birth anniversary of independent India’s first Prime Minister, Pandit Jawaharlal Nehru. Children's day is celebrated on this day in recognition of his lifelong fondness and work for children. He always regarded all children with affection and love, and was well known for being likeable to children. Children also loved him very much and called him "Chacha Nehru".