From 1978 to 1994, CES was held twice each year: once in January in Las Vegas known as Winter Consumer Electronics Show (WCES) and once in June in Chicago, known as Summer Consumer Electronics Show.
С 1978 по 1994 год, CES проводился дважды в год: в январе в Лас-Вегасе как Winter Consumer Electronics Show (WCES) и в июне в Чикаго, штат Иллинойс (США) как Summer Consumer Electronics Show (SCES).