Here are some examples of sentences about National Day:

1. National Day is a celebration of our country's independence and freedom.

3. Many people travel during National Day to explore different parts of our beautiful country.

4. National Day parades showcase the cultural diversity and unity of our nation.

6. On National Day, we honor those who have served and continue to serve our country.

7. National Day is a time for communities to come together and celebrate our shared heritage.

8. Schools often hold special events and activities for students to learn about the significance of National Day.