Teaching all about Independence Day at Happy Times Preschool and tot's Montessori children is crucial because it helps them understand their nation's history, the sacrifices made by leaders, and the struggle for freedom. This knowledge fosters a sense of national pride, encourages critical thinking about societal issues, and instills values like unity, resilience, and equality. Additionally, learning about the past allows children to appreciate the significance of democracy and the importance of preserving their rights and freedoms.