The 1980s were a time of big hair, Ronald Reagan, Cold War, 8-bit computers yielding to 16-bit, the rise of the IBM-PC, the introduction of GUIs to the retail marketplace, the introduction of 32-bit systems, widespread penetration of personal computers into homes and offices, the George Bush presidency, the Soviet defeat in Afghanistan, American bombings or invasions of Grenada, Libya, Panama, and others.