Philadelphia has had a lot of strange events over the centuries, but surely the 1856 convention for the "Know Nothing" political party to nominate its presidential candidate has to rate right up there. The party started as a movement against the influence of immigration. I will eschew all comments and move directly to our quiz.
In bridge, most of us would admit to occasionally being a "Know Nothing." Let's work on our foundations today, and take a look at some opening bidding situations.