29 August 1938 (+) is born in Wien, Austria.

19 December 1962 (x) performs his 1. Aktion in the house of Otto Muehl in Wien, Austria.

16 March 1963 (x) performs his 2. Aktion in Wien, Austria.

28 June 1963 (x) performs his 3. Aktion - 'Fest des Psychophysischen Naturalismus' in the studio of Otto Muehl in Wien, Austria.

21 November 1963 (x) performs his 4. Aktion in his studio in Wien, Austria.

3 March 1964 (x) performs his 5. Aktion in the house of Otto Muehl in Wien, Austria.

23 June 1964 (x) performs his 6. Aktion in Wien, Austria.

16 January 1965 (x) performs his 7. Aktion 'für dr. Wolfgang Tunner' in his house and studio in Wien, Austria.

22 January 1965 (x) performs his 8. Aktion 'Penisbespülung' in his house in Wien, Austria.

12 June 1965 (x) performs his 9. Aktion in his studio and in the fields of Stammersdorf and Schottergrube in Wien, Austria.

24 June 1965 (x) performs his 10. Aktion in his studio in Wien, Austria.

1 July 1965 (x) performs his 11. Aktion in his studio in Wien, Austria.

6 September 1965 (x) performs his 12. Aktion in the house of Heinz Cibulka in Wien, Austria.

16 September 1965 (x) performs his 13. Aktion along a street between Strebersdorf and Stammersdorf in Wien, Austria.

29 September 1965 (x) performs his 14. Aktion in the house of Heinz Cibulka in Wien, Austria.

10 October 1965 (x) performs his 13. Aktion in the house of Heinz Cibulka in Wien, Austria.

15 December 1965 (x) performs his 16. Aktion in his studio in Wien, Austria.

10 May 1966 (x) performs his 17. Aktion in his studio in Wien, Austria.

29 May 1966 (x) performs his 18. Aktion in his house in Wien, Austria.

16 June 1966 (x) performs his 10. Aktion 4. Abreaktionsspiel in Wien, Austria.

29 August 1966 (x) performs his 20. Aktion in his studio in Wien, Austria.

16 September 1966 (x) performs his 21. Aktion 5. Abreaktionsspiel in London, United Kingdom.

21 April 1967 (x) performs his 23. Aktion im Rahmen des Zock-Festes in Wien, Austria.

11 January 1968 (x) performs his 24. Aktion in the house of Günter Brus in Wien, Austria.

2 March 1968 (x) performs his 25. Aktion in New York City, United States.

16 March 1968 (x) performs his 26. Aktion in New York City, United States.

23 March 1968 (x) performs his 27. Aktion in New York, United States.

4 April 1968 (x) performs his 28. Aktion 6. Abreaktionsspiel im Rahmen des Spring Art Festivals in Cincinnati, United States.

11 December 1968 (x) performs his 29. Aktion für das Westdeutsche Fernsehen in the studio of Otto Dresler in Moosach, Germany.

12 February 1969 (x) performs his 30. Aktion in München, Germany.

11 May 1969 (x) performs his 30.a Aktion in the house of Heinz Cibulka in Königsbrunn am Wagram, Austria.

8 December 1969 (x) performs his 31. Aktion 'Maria Empfängnis' with Hanel Köck in Atelier Zimmer in München, Germany.

27 February 1970 (x) performs his 32. Aktion 7. Abreaktionsspiel in München, Germany.

8 October 1970 (x) performs his 33. Aktion in New Brunswick, United States.

16 October 1970 (x) performs his 34. Aktion in Binghamton, United States.

3 November 1970 (x) performs his 35. Aktion in Köln, Germany.

8 November 1970 (x) performs his 36. Aktion in Köln, Germany.

20 February 1971 (x) performs his 36.a Aktion in Frankfurt am Main, Germany.

10 November 1972 (x) performs his 39. Aktion in Syracuse, United States.

2 December 1972 (x) performs his 40. Aktion in New York, United States.

10 June 1973 (x) performs his 41. Aktion in Prinzendorf an der Zaya, Austria.

15 June 1973 (x) performs his 42. Aktion in Torino, Italy.

14 January 1974 (x) performs his 43. Aktion aufführungstag laut partitur 15.1., laut einladung 14.1. in München, Germany.

28 March 1974 (x) performs his 44. Aktion in München, Germany.

10 April 1974 (x) performs his 45. Aktion in Napoli, Italy.

2 June 1974 (x) performs his 46. Aktion im rahmen des Pfingstfestes mit Klavierkonzert für Günter Brus (Nitsch, Rühm, Roth, Wiener) in Prinzendorf an der Zaya, Austria.

18 October 1974 (x) performs his 47. Aktion in Düsseldorf, Germany.

25 January 1975 (x) performs his 48. Aktion at the 2nd FIAC art fair in Paris, France.

24 July 1975 (x) performs his 49. Aktion in Prinzendorf an der Zaya, Austria.

26 July 1975 (x) performs his 50. Aktion Erstes 24-stunden-spiel, von Sonnenaufgang 26.7. bis Sonnenaufgang 27.7. in Prinzendorf an der Zaya, Austria.

24 May 1976 (x) performs his 51. Aktion mit Rosanna Chiessi in Bologna, Italy.

10 June 1976 (x) performs his 52. Aktion for Pfingsfest in Prinzendorf an der Zaya, Austria.

30 November 1976 (x) performs his 53. Aktion in Milano, Italy.

29 April 1977 (x) performs his 54. Aktion in Napoli, Italy.

25 April 1978 (x) performs his 61. Aktion im Rahmen des Internationalen Performance Festival in Wien, Austria.

13 May 1978 (x) performs his 62. Aktion (lehraktion) in Prinzendorf an der Zaya, Austria.

13 October 1978 (x) performs his 64. Aktion im Rahmen des Arnheimer Theaterfestivals in Arnhem, Netherlands.

3 June 1979 (x) performs his 65. Aktion for Pfingsfest in Prinzendorf an der Zaya, Austria.

21 May 1980 (x) performs his 66. Aktion in Frankfurt am Main, Germany.

25 May 1980 (x) performs his 67. Aktion for Pfingsfest in Prinzendorf an der Zaya, Austria.

12 October 1980 (x) performs his 69. Aktion for the opening of the New York Art Fair in New York City, United States.

7 June 1981 (x) performs his 72. Aktion for Pfingsfest in Prinzendorf an der Zaya, Austria.

30 May 1982 (x) performs his 74. Aktion for Pfingsfest in Prinzendorf an der Zaya, Austria.

22 May 1983 (x) performs his 76. Aktion for Pfingsfest in Prinzendorf an der Zaya, Austria.

8 October 1983 (x) performs his 77. Aktion in Eindhoven, Netherlands.

27 July 1984 (x) performs his 80. Aktion - 3-tage-spiel in Prinzendorf an der Zaya, Austria.

18 April 2022 (-) dies of a serious illness in Mistelbach, Austria.