The 63 participating countries will each have a national day at Expo.

Pro-independence Catalans have held a rally in Barcelona, on Catalonia's national day.

In Ethiopia, Monday has been declared as a national day of mourning.

The home fans had to settle for yellow on their national day.

There was the usual stuff about St Patrick and Ireland's national day.

It started me thinking about what our national day actually means.

The Netherlands declared a national day of mourning following the tragedy.

Saudi Arabia's stock market was closed for the country's national day.

Saudi Arabia's stock market is closed for the country's national day.

Bewildered and tearful French people held a national day of mourning.

So it wasn't always an obvious choice for Australia's national day.

A national day of mourning was scheduled for the last day of July.

Chinese authorities have tightened security in the run-up to the national day celebrations.

The baby was born on St. George's Day, England's national day.

For the party, this is one of the most consequential national day celebrations.

Mexican mariachis celebrated their national day with a festival of music and serenades.