The man arrested for allegedly threatening Wilders was taken into custody on Tuesday in The Hague, police spokesman Jan Rensen said, without identifying his nationality.
He is believed to have posted a video on Facebook on Monday in which he said he was five minutes away from the parliament building and said he was targeting the anti-Islam politician.
“Only that blasphemer [Wilders] is my target,” the man said in the video, which was shown on national broadcaster NOS. “I believe that God will help me succeed … they’re making jokes about our Prophet.”
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In January, 2015, two armed gunmen stormed the offices of satirical weekly newspaper Charlie Hebdo in Paris, where they killed 12 people and injured 11 others. The left-wing publication often publishes articles mocking various religions, including Islam.