Dirk Stikker, Minister of Foreign Affairs, signs the North Atlantic Treaty for The Netherlands, April 4, 1949. Dirk Stikker, Minister of Foreign Affairs, signs the North Atlantic Treaty for The Netherlands, April 4, 1949. SHARE IMAGE: Download Image: Full Size (1.6 MB) Tags: Photo Essays Photo By: VIRIN: 636932-D-NOG61-866.jpg Photo Gallery