Here are some examples of sentences about National Day:

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

2. We gather with family and friends on National Day to enjoy fireworks and patriotic music.

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.

5. The National Day holiday is a great time to reflect on our history and appreciate the sacrifices made by our ancestors.

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.

9. National Day is a time of national pride and a reminder of the progress our country has made.

10. Many people display the national flag during National Day to show their patriotism.