The Netherlands flag is shown above was introduced in 1572 although it wasn't the national flag until February 19, 1937.
Monuments:
The Defence Line of Amsterdam: based on controlling the waters it is 135 km around the city of Amsterdam.
Schokland and surroundings: symbols the heroic, of the people against the waters.
Statues:
Fortuna: Is and is for the goddess of Happiness.
Thorbeckle: Made for Jan Thorbeckle for creating the Dutch Constitution.
Monuments:
The Defence Line of Amsterdam: based on controlling the waters it is 135 km around the city of Amsterdam.
Schokland and surroundings: symbols the heroic, of the people against the waters.
Statues:
Fortuna: Is and is for the goddess of Happiness.
Thorbeckle: Made for Jan Thorbeckle for creating the Dutch Constitution.