sentences:  The history of the Netherlands Reformed Churches (Dutch "Nederlands Gereformeerde Kerken") coincides to a great extent with that of the Reformed Churches (Liberated), of which it was a part until the early 1960s.That denomination arose out of a conflict within the Reformed Churches in the Netherlands over the covenant and the power of the general synod.After that schism, referred to as the "Liberation" (Dutch "Vrijmaking"), the Liberated churches became a very conservative, orthodox denomination.