With the narrative at the beginning of the Second World War, we pause to consider what lessons can be learned from the past twenty years.

Adolf Hitler believed that the leaders of France and Britain would be too cowardly to go to war to defend Poland, but even if they did, he was willing to take them on. Here we go again...

As Germany was ratcheting up the pressure against Poland, it and the USSR signed a non-aggression agreement. No one knew it at the time, but this agreement contained secret protocols that, among other things, divided Poland between them.

Electronic amplification allowed singers and musicians to perform in a softer, more intimate way. The new styles became very popular, especially in the USA.