History 1962: C.A. Petris dissertation (U. Darmstadt, W. Germany) 1970: Project MAC Conf on Concurrent Systems and Parall Computation (MIT, Usa) 1975: Conf. on Petri Nets and related Methods (MIT, USa) 1979: Course on General Net Theory of Processes and systems (Hamburg, w Germany) 1980: First European Workshop on Applications and Theory of Petri Nets (Strasbourg, france) 1985: First International Workshop on Timed Petri Nets (Torino, Italy)History ◼ 1962: C.A. Petri’s dissertation (U. Darmstadt, W. Germany) ◼ 1970: Project MAC Conf. on Concurrent Systems and Parallel Computation (MIT, USA) ◼ 1975: Conf. on Petri Nets and related Methods (MIT, USA) ◼ 1979: Course on General Net Theory of Processes and Systems (Hamburg, W. Germany) ◼ 1980: First European Workshop on Applications and Theory of Petri Nets (Strasbourg, France) ◼ 1985: First International Workshop on Timed Petri Nets (Torino, Italy)