In what year did the UN first adopt the Declaration of the Rights of a Child?

November 20th is an important date as it is the date in 1959 when the UN General Assembly adopted the Declaration of the Rights of the Child. It is also the date in 1989 when the UN General assembly adopted the Convention on the Rights of the Child.
In what year did the UN General assembly adopt the Convention on the Rights of the Child?

The UN General assembly adopted the Convention on the Rights of the Child on this date in 1989.
This Convention is the most widely ratified international human rights treaty.

The Convention, which is the most widely ratified international human rights treaty, sets out a number of children’s rights including the right to life, to health, to education and to play, as well as the right to family life, to be protected from violence, to not be discriminated, and to have their views heard.
Who was the person to first come up with the idea of a Universal Children's Day?

How many children die each year as a result of poverty?

According to Unicef, 22,000 children die every year as aa result of poverty.