Although ID and password are two items, because they belong to the same authentication factor (knowledge), they are single factor authentication (SFA). It is really because of their low cost, ease of implementation and familiarity that passwords that have remained the most common form of SFA.
The 1936 Berlin Olympic Games had been handed to Berlin before the Nazis came to power but now it was the perfect opportunity for Hitler to demonstrate to the world, how efficient the Nazi Germany was.
Geoff Walden. Berlin -- Haus des Deutschen Sports and 1936 Olympic Village. The area of the Reichsportsfeld adjacent to the Berlin Olympic Stadium included the Haus des Deutschen Sports and other buildings.