Founded in 1921, the International Hydrographic Organization, which has its head office in Monaco, i..
One hundred years ago, on 25 April 1921, Prince Albert I gave his Speech on the Ocean at the Smithso..
Born in Bonn in 1770 into a musical family, Ludwig van Beethoven became a pupil of the great compose..
The Council of Europe Anti-Doping Convention was signed in 1989 and entered into force on 1 March 19..
Office des Émissions de Timbres-Poste © 2019