What were the ''booms'' and lights in the sky'' on Kirsti's birthday?

The "booms" and "lights in the sky" on Kirsti's birthday refer to the sounds and visual phenomena associated with the bombing raids during World War II. These events were part of the air raids that targeted cities, causing both fear and destruction. The lights often came from flares or explosions, while the booms indicated the impact of bombs being dropped. This context highlights the harsh realities of life during wartime, contrasting with the celebration of a birthday.