International Children’s Day is a holiday which is celebrated annually on June the 1st. The tradition dates back to 1856 when the Reverend Dr. Charles Leonard, pastor of the Universalist Church of the Redeemer in Chelsea, Massachusetts, held a special service focused on children.
It wasn’t until 1954 that June 1st was more officially recognized as an important day to celebrate children and consider important child-related issues such as labor, education, and protection.
The United Nations’ first designated June 1st as Universal Children’s Day in 1954 and set the main goals of this special day as a way to promote and fight for children’s rights across the globe. June 1st is also the day that we observe the International Day for Protection of Children.
The healthy development of children is crucial to the future well-being of any society. Because they are still developing, children are especially vulnerable – more so than adults – to poor living conditions such as poverty, inadequate health care, nutrition, safe water, housing and environmental pollution.
https://www.unicef.org/child-rights-convention/child-rights-why-they-matter