The Dark Season Blues festival Social_event is an annual event Social_event in late October , at 78 degrees north in Longyearbyen ( Svalbard ) in Norway , and marks Recording the beginning Process_start of the dark season when daylight and the sun is about to leave Svalbard for four winter months .

Germany proved unable to sustain daylight raids Attack , but their continued night-bombing operations Military_operation on Britain became Becoming known as the Blitz .

Most of the fighting occurred Presence at night , under heavy mortar fire , while the daylight hours were usually spent Expend_resource by the UN forces Military_operation evacuating Emptying the dead and wounded Bodily_harm , replacing the defending Defending company , sending up Sending resupplies and repairing the fortified positions .

The daylight hours were punctuated with artillery , mortar and sniper fire , making repairs and reinforcement a more dangerous task .

During the 4 to 5 days prior to the initial attack on the outpost , PVA artillery and mortar fire increased Cause_change_of_position_on_a_scale from an average of 275 to 670 per day during daylight hours .

The initial operation of 3 October 1993 , intended to last an hour , became Becoming an overnight standoff and rescue Rescuing operation extending Change_event_time into the daylight hours of 4 October .

These attacks Attack initially attempted to target Aiming industrial facilities using Using high-altitude daylight `` precision '' bombing Attack , which was also largely ineffective .

The attacks Attack began Process_start on 7 September 1940 and reached Arriving their daylight climax on 15 September .

Having been defeated Conquering in daylight , the `` Luftwaffe '' turned Becoming its attention to The Blitz night campaign which lasted Being_in_operation until May 1941 .

In some cases RAF crews flew Motion both the daylight and night-time raids ; a total of nearly eleven hours flying time in During the same night the RAF also bombed Attack Brunswick ( ) , destroying Destroying the town centre .

84 '' , was flown Motion on the anniversary of the first daylight raid by the eighth air force .

Overnight of April 24 the Polish force left Departing Serock and crossed Motion_directional the Narew , reaching Arriving Radzymin before daylight .

In 1939 , Bomber Command was forced Request to operate Military_operation at night , due Causation to the extent of losses Earnings_and_losses of unescorted heavy bombers flying Motion in daylight .

In 1943 , the USAAF suffered Bodily_harm several reverses in daylight and called Request off the offensive over Germany in October .

However , the USAAF introduced Choosing the P-51 Mustang , a fighter capable of escorting Patrolling the USAAF bombers to and from their targets Aiming in daylight .

The intensification of night bombing Attack by the RAF and daylight attacks Attack by the USAAF added Cause_to_be_included to the destruction Destroying of a major part of the German 's industries and cities , which caused Causation the economy to collapse Destroying in the winter of 1944–45 .