From Wikipedia:
Liberation Day (Dutch: Bevrijdingsdag) is a public holiday in the Netherlands to mark the end of the *** occupation of the country during the Second World War.[1][2] It follows the Remembrance of the Dead (Dodenherdenking) on 4 May.[3][4]
Yeah, they're probably not going to check your bag but it's most likely against the host country rules. They don't want bug, bacteria, etc. imported on fruit. The US is that way as well.