Source & licence
© Yann Forget / Wikimedia Commons / CC BY-SA 3.0
Source photograph · CC BY-SA 3.0
Full frame retained; proportional resizing and WebP conversion. Display fitted to the card frame. No generative retouching. Original licence retained.
Rights checked : 2026-10-10 · constitution-oms-1948
1948 · Entry into force
7 April 1948: the WHO Constitution enters into force
A founding legal date, distinct from the treaty’s adoption in 1946.