1971 - worked on the Olympia poster for Munich in Lengmoos.
1992 - Hundertwasser designed 4 telephone cards for the Austrian Postal Service and a postage stamp commemorating the European Council Summit in Vienna.
1993 - worked on the Hundertwasser-Bible project.
1997 - Hundertwasser was presented with the architectural project Die Wald-Spirale von Darmstadt. Exhibition of stamp designs, graphic work and architecture models took place at the Philatelia in Cologne.
1999 - Architectural projects were: Sludge Center, Osaka; The Green Citadel of Magdeburg and Uelzen Railroad Station, Germany. Reconstruction work for the new Kawakawa Public Toilet, New Zealand.
1953 - Hundertwasser paint his first spiral.
1967 - Hundertwasser travel to Uganda and the Sudan. A touring exhibition of his work was seen in galleries in Paris, London, Geneva and Berlin.