That is why we are called to a national day of service.

They joined colleagues across the country in a national day of action.

Is your project related to a national day of service or event?

In an ideal world, we would have a national primary day.

Older countries that use some other event of special significance as their national day.

It was the year after, 1777, when July 4 became the national day of festival.

"We had expected that something bad could happen on the eve of our national day," he said.

A national day of mourning was held on 25 April.

September 19 later became the national day of the town.

As from next year, Finland too will have such a national day.