Following the Soviet advance Cause_to_make_progress to the Dnieper in the Battle of the Dnieper during late 1943 , German forces managed Control to hold to the Nikopol bridgehead on the left bank of the Dnieper , the area of manganese ore mines of crucial importance to German war production that Adolf Hitler insisted on holding Defending .

On 14 March , German Reich Chancellor Adolf Hitler ordered Request Schutzstaffel ( SS ) General Hans Kammler to fire Use_firearm V2 rockets to destroy Destroying the bridge .

From the start Process_start of the war Hostile_encounter against Poland , Germany intended to realize Know Adolf Hitler 's plan Arranging , set out Creating in his book `` Mein Kampf '' , to acquire Getting `` living space '' ( `` Lebensraum '' ) in the east for massive settlement of German colonists .

These rapid advances on the Eastern Front destroyed Destroying additional veteran German combat units and severely limited Limiting German Führer Adolf Hitler 's ability to reinforce his Rhine defenses .

Adolf Hitler had ordered Request a cessation of these activities for propaganda and practical reasons but these operations had met with Response reasonable success in 1941 and it was felt Change_sentiment they may do so again .

Nevertheless , the German High Command began Process_start planning Arranging an invasion of the Soviet Union in July 1940 ( under the codename Operation Otto ) , which Adolf Hitler authorized Preventing_or_letting on 18 December 1940 .

On 16 July , Adolf Hitler ordered Arranging the preparation of Operation Sea Lion as a potential amphibious and airborne assault Attack on Britain , to follow once the Luftwaffe had air superiority over the UK .

The initial plan Arranging was to push Denmark to accept Agree_or_refuse_to_act that German land , naval and air forces could use Using Danish bases , but Adolf Hitler subsequently demanded Request that both Norway and Denmark be invaded Attack .

25 '' , which Adolf Hitler issued Creating on 27 March 1941 , following the Yugoslav coup d'état .

After having several peace offers rejected Agree_or_refuse_to_act by the British , Adolf Hitler ordered Request the `` Luftwaffe '' to destroy Destroying the RAF in order to gain Getting air superiority or air supremacy as a prelude to launching Motion Operation Sea Lion , an amphibious assault Hostile_encounter by the `` Wehrmacht '' ( German armed forces ) onto the British mainland .

On 20 July 1944 , Claus von Stauffenberg and other conspirators attempted to assassinate Killing Adolf Hitler , Führer of Nazi Germany , inside his Wolf 's Lair field headquarters near Rastenburg , East Prussia .

Mary of Hungary nevertheless ordered Request Adolf of Burgundy to compose Collaboration a fleet of 45 Dutch , Spanish and Portuguese ships with 3000 sailors and 4500 troops under command Control of Frederick II , Elector Palatine .

Britain rejected Agree_or_refuse_to_act peace overtures and on 16 July , Adolf Hitler issued Statement Directive 16 to the `` Wehrmacht '' ( German armed forces ) , ordering Arranging preparations for the invasion of Britain , under the codename ( Operation Sea Lion ) .

Late on 23 May , a halt order Arranging was issued Statement by `` Generaloberst '' Gerd von Rundstedt , commander of Army Group A. Adolf Hitler approved Preventing_or_letting the order Arranging the next day and had the German High Command Request send Sending confirmation to the front .

The German leader , Adolf Hitler , `` canceled Change_event_time a major offensive Attack at Kursk after only a week , in part to divert Motion forces to Italy '' , resulting in Causation a reduction Cause_change_of_position_on_a_scale of German strength on the Eastern Front .

Führer Adolf Hitler placed Placing German Field Marshal Erwin Rommel in charge of developing Cause_to_make_progress fortifications all along Hitler 's proclaimed Atlantic Wall in anticipation of an invasion .

The poor performance of the Red Army encouraged Adolf Hitler to think that an attack on the Soviet Union would be successful and confirmed Check negative Western opinions of the Soviet military .

After several attempts by the Holy Roman Empire to prevent Preventing_or_letting and contain the spread Dispersal of Protestantism in Europe , King Gustav II Adolf of Sweden led an invasion of the Holy Roman Empire .

Among those killed in the crash Catastrophe were Prince Gustaf Adolf of Sweden ( at the time of his death Death , second in line to the Swedish throne ) , U.S. opera singer Grace Moore , and Danish actress Gerda Neumann .

Prince Gustaf Adolf was the father of the present king of Sweden Carl XVI Gustaf .