National Kids Day is observed on the second Sunday of June in the United States, highlighting the importance of children and addressing the challenges they face. The day encourages spending quality time with children, supporting child-focused charities, and advocating for policies that benefit youth. The celebration aims to promote the welfare and future of children, emphasizing their rights and needs. National Kids Day has its roots in the 1800s, originally established as Children's Day by Reverend Dr. Charles Leonard. Over the years, the date and name have evolved, but the focus on children's rights and well-being remains central to the observance.