From The American Presidency Project: Proclamation 10499—National Child's Day, 2022  

“Every child deserves to be safe and loved—anchored by a supportive family, a welcoming community, and a nation devoted to their education, health, safety and well-being. On National Child's Day, we renew our commitment to making America the best place in the world to grow up.

“America's youngest generation is set to become the best-educated, most accomplished and most tolerant in our history. Across the country, children are studying hard, modeling kindness and compassion, and making their voices heard on today's biggest issues—from climate change to human rights, health care to gun violence and racial justice to immigration. America's youth make me more optimistic than ever about this nation's future and I know that, by investing in their success today, we can shape a more prosperous, secure and just world tomorrow.”

From UNICEF (originally the United Nations International Children's Emergency Fund, now the United Nations Children's Fund): “World Children’s Day is UNICEF’s annual day of action for children, by children, marking the adoption of the Convention on the Rights of the Child. Children’s rights are human rights. But in too many places today, children’s rights are under attack.”