Title card and intro for story 'Nazis Occupy Warsaw'

The video introduces the historical context of September 29th, 1939, and sets the stage for the main story that follows.

What significant event is mentioned in the text and what is its date?

What does the phrase 'In a moment' suggest about the story's context?

What themes might be explored in a story that begins with a specific date?

How does the text introduce the story?

What can be inferred about the narrative style from the text provided?