On October 1, 1542, Sebastian Franck died in Basel, where he had spent his final years working as a printer and publishing significant works after a life of religious conflict and banishment from several cities. See wikipedia for more information.

On October 1, 1938, voters in Basel-Stadt and Basel-Landschaft approved a constitutional article for the reunification of the two half-cantons, but the plan ultimately failed when the Federal Assembly rejected it in 1947/48. See altbasel.ch for more information.