1916 – Born in Nowawes near Berlin on the 8th of November.
1935 – He emigrated with his family to Chislehurst, near London, England, where he studied photography.
1937 – Attended the Prague Art Academy.
1938 – After the German occupation of the Sudetenland, his family moved to Sweden, and Weiss himself removed to Switzerland.
1939 – He again emigrated to Stockholm, Sweden.
1946 – He became a Swedish citizen.
1950 – His first produced play was Der Turm.
1952 – He joined the Swedish Experimental Film Studio, where he made films for several years.
1963 – 1964 – His best-known work is the play Marat Sade, first performed in West Berlin, which brought him widespread international attention.
– He was honored with the Charles Veillon Award.
1965 – Given The Lessing Prize.
1966 – Given The Heinrich Mann Prize.
1967 – He was politically active as a member of the Communist Party, and participated in Bertrand Russell’s tribunal against the Vietnam War in Stockholm.
– Recieved The Carl Albert Anderson Prize.
1978 – Received The Thomas Dehler Prize.
1981 – Received The Cologne Literature Prize.
1982 – He suffered a heart attack. He wrote little after that, and died in Stockholm on the 10th of May.
– Given the following awards; The Bremen Literature Prize, The De Nios Prize, The Swedish Theatre Critics Prize, and The Georg Büchner Prize.