It was decided to focus on bombing Britain's industrial cities, in daylight to begin with. The main focus was London. The first major raid took place on 7 September. On 15 September, on a date known as Battle of Britain Day, a large-scale raid was launched in daylight, but suffered significant loss for no lasting gain. Although there were a few large air battles fought in daylight later in the month and into October, the switched its main effort to night attacks. This became official policy on 7 October. The air campaign soon got underway against London and other British cities.
it was decided to focus on bombing britain's industrial cities in daylight to begin with the main focus was london the first major raid took place on 7 september on 15 september on a date known as battle of britain day a large-scale raid was launched in daylight but suffered significant loss for no lasting gain although there were a few large air battles fought in daylight later in the month and into october the switched its main effort to night attacks this became official policy on 7 october the air campaign soon got underway against london and other british cities