The Concentration was a coalition of Dutch liberal parties between 1901 and 1918.

It has some sympathy for private enterprise and economic freedom compared to other Dutch parties.

Almost every Dutch political party was against Indonesian independence.

As a result, Dutch political parties will negotiate and compromise to form a coalition government.

The campaign was supported by European Parliament politicians from three Dutch parties.

Several Dutch parties tried unsuccessfully to deny him access to the country.

His father-in-law was the daughter of a prominent member of the Dutch socialist party.

It became the fifth largest Dutch political party.

However on July 7, 2009 it was officially announced that the "movement" would become an official Dutch political party.

He was one of many politicians who could be asked by the King to try to seek a new consensus between Dutch and French-speaking parties.