On the 4th of May, the Netherlands celebrates Nationale Herdenkingdag (Memorial Day). On this day, the country remembers all those military and civilians who died in war situations since the beginning of World War II. Flags will be flown at half mast from 18:00- sundown, and the whole country will pause for two minutes of silence between 20:00 and 20:02. Wreaths will be placed at various war memorials. A bell will be rung at the war memorial in the dunes at Scheveningen.
On the 5th of May, the country celebrates Bevrijdingsdag (Liberation Day). This is the celebration of the liberation of the country from occupation at the end of World War II. Although it is only a public holiday once every 5 years (next time will be 2025), you will see flags flying throughout the country.
On these two days, we remember those who died during the wars and celebrate the freedom that we enjoy now due to their sacrifice.