1. During indicates within a period of time.
We slept during the day.
They practiced basketball during the summer.

2. During means at the same time as another event.
I slept during the football game.
They lived in the north during the war.

Fact
The largest diamond found in the United States was a 40.23 carat white diamond. It was found in 1924 and nicknamed the Uncle Sam.      .. More >>