Grand Duke Henri and Grand Duke Adolphe
The effigies of Grand Duke Henri and Grand Duke Adolphe are featured in the centre of this coin, which commemorates the 50th birthday of Grand Duke Henri, the 5th anniversary of his accession to the throne and the centenary of the death of Grand Duke Adolphe.
Belgium-Luxembourg Economic Union
The coin shows the effigies of His Majesty Albert II, King of the Belgians, and His Royal Highness the Grand Duke Henri, and commemorates the Belgium-Luxembourg Economic Union.
50th anniversary of the Austrian State Treaty
The centre of the coin reproduces the signatures and seals of the Austrian State Treaty signed in 1955 by the Soviet Union, the United Kingdom, the United States, France and Austria, thereby re-establishing Austrian sovereignty.
400th anniversary of the first edition of Miguel de Cervantes’ Don Quixote de La Mancha
An image of Don Quixote, the lean character imagined by Miguel de Cervantes, appears holding a lance against a backdrop of windmills. The coin commemorates the 400th anniversary of the first edition of Cervantes’ masterpiece.
World Year of Physics 2005
This coin features a representation of Galileo Galilei used as an allegory of ‘Old Physics’ (Fisica antica). 2005 was chosen as the World Year of Physics because it marked the 100th anniversary of Albert Einstein's ‘miraculous year’ in which he published three important papers describing ideas that have since influenced all of modern physics
60th anniversary of the establishment of the United Nations and 50th anniversary of Finland’s membership
Depicted in the centre of the coin are parts of a jigsaw puzzle showing a dove of peace, commemorating the 60th anniversary of the creation of the United Nations and the 50th anniversary of Finland becoming a member.
20th World Youth Day held in Cologne in August 2005
This coin shows a representation of the Cathedral of Cologne with a comet passing overhead. The 20th World Youth Day was held in Cologne in August 2005, and marked the first apostolic journey of Pope Benedict XVI.
First anniversary of the signing of the European Constitution
Europa and the bull are featured in the centre of the coin. She holds a pen and the text of the European Constitution, which was signed in Rome on 29 October 2004.