1988 Death Felix Wankel, developer of Wankel rotary engine, dies 1952 Event 1st U.S. postage stamp in 2 colors (rotary process) introduced 1940 Event Sicherheits police bans Free masons, Rotary and Red Cross 1905 Event Rotary Club International formed by 4 men in Chicago 1866 Event Pierre Lalemont patents rotary crank bicycle 1858 Event Hamilton Smith patents rotary washing machine
