Legality of Cannabis by U.S. Jurisdiction Pennsylvania portalUnited States portalHistory portal This category is for topics specifically related to the year 1906 in the U.S. state of Pennsylvania. 19011902190319041905190619071908190919101911 1850s1860s1870s1880s1890s1900s1910s1920s1930s1940s1950s Subcategories This category has the following 4 subcategories, out of 4 total. / 1906 disestablishments in Pennsylvania (1 P) 1906 establishments in Pennsylvania (72 P)E 1906 Pennsylvania elections (5 P)S 1906 in sports in Pennsylvania (25 P)