Germany: Germany's black-white-red horizontal striped Imperial Tricolor flag is officially replaced with the Swastika flag.
When Hitler came to power in January of 1933, the then-current black-red-gold flag was swiftly scrapped and a previously used black-white-red Imperial Tricolor flag was reintroduced as being acceptable in Nazi Germany along with the new Swastika flag.
The end of this dual flag arrangement may have been the result of a 26 July 1935 incident in New York City in which a group of demonstrators boarded a German ship, tore the Nazi party flag from the jackstaff and tossed it into the Hudson River. When the German ambassador protested, US officials responded that the German national flag had not been harmed, only a political party symbol.
The new flag law was announced at the annual party rally in Nuremberg where Hermann Goering claimed the old black-white-red flag, while honored, was the symbol of a bygone era and was under threat of being used by "reactionaries."
Swastika flag related dates...
26 Jul 35: Anti-Nazi Demonstrators toss swastika flag into the Hudson
10 Sep 35: Germany's Imperial Tricolor flag officially replaced by Swastika
CBI - China: Day 66 of 2,987 of the 2nd Sino-Japanese War.
Day 29 of 106 of the 2nd Battle of Shanghai.
Day 10 of 70 of the Battle of Taiyuan.
1938 — , September 10
Spain: Day 786 of 985 of the Spanish Civil War.
CBI - China: Day 431 of 2,987 of the 2nd Sino-Japanese War.
Day 92 of 139 of the Battle of Wuhan.
1939 — , September 10
Canada: Canada declares war on Germany.
Atlantic: The Battle of the Atlantic begins, which will continue throughout the war. U-boats begin attacking Allied shipping with massive success and very little risk.
Poland: Day 10 of 36 of Germany's Invasion of Poland. German troops achieve a breakthrough at Kutno and Sandomir and reach the Vistula.
CBI - China: Day 796 of 2,987 of the 2nd Sino-Japanese War.
CBI - Mongolia: Day 123 of 129 of the Battle of Khalkhin Gol.
1940 — , September 10
ETO - UK: Day 5 of 258 of the Blitz. Buckingham Palace is damaged. 18 killed.
ETO - UK: Day 63 of 114 of the Battle of Britain.
Middle East: Italian Air Force bombs Tel Avis, Palestine, killing 111 people.
East Africa: Day 93 of 537 of Italy's East African campaign in the lands south of Egypt.
CBI - China: Day 1,162 of 2,987 of the 2nd Sino-Japanese War.
Day 301 of 381 of the Battle of South Guangxi.
Day 22 of 42 of the Hundred Regiments Offensive.
1941 — , September 10
Atlantic: British convoy of 64 ships sailing from Sydney to the UK is attacked by U-boats just south of Greenland, sinking 17 merchant ships. U-boats U-207 and U-510 are sunk in return.
Russian Front - Finland: Day 81 of 164 of the Battle of Hanko. The Soviets will be forced off their leased naval base.
Russian Front - Finland: Day 7 of 28 of Finland's reconquest of East Karelia in southern Finland. The Soviets continue withdrawing from the Karelian Isthmus back to Leningrad.
Russian Front - Finland: Day 74 of 142 of Operation SILVER FOX, a joint German-Finnish campaign to capture the Russian port of Murmansk in the Arctic. The German troops continue withdrawing back into northern Finland.
Russian Front - Finland: Day 72 of 140 of Operation ARCTIC FOX, a joint German-Finnish campaign against Soviet Northern Front defenses at Salla, Finland.
Russian Front: Day 81 of 167 of Germany's Operation BARBAROSSA, the overall invasion of the USSR.
Russian Front - North: Day 3 of 872 of the Siege of Leningrad. Leningrad is now completely surrounded after German troops had closed the land bridge at Schluesselburg.
Russian Front - Center: Day 12 of 14 of the Battle of Roslavl-Novozybkov, Russia.
Russian Front - South: Day 34 of 70 of the Siege of Odessa, Ukraine.
Russian Front - South: Day 19 of 35 of the 1st Battle of Kiev, Ukraine.
MTO - Libya: Day 154 of 256 of the Siege of Tobruk.
Middle East: Day 17 of 24 of the Anglo-Soviet invasion of Iran. British and Russians demand that Iran expels all Axis nationals with 48 hours.
East Africa: Day 458 of 537 of Italy's East African campaign in the lands south of Egypt.
CBI - China: Day 1,527 of 2,987 of the 2nd Sino-Japanese War.
Day 5 of 33 of the 2nd Battle of Changsha.
1942 — , September 10
Russian Front - North: Day 368 of 872 of the Siege of Leningrad. Soviet troops attacking from Leningrad fail to create a break in the German lines.
Russian Front - North: Day 129 of 658 of the Siege of the Kholm Pocket, USSR lays siege to the Kholm Pocket but the Germans hold out for a about a year and a half.
Russian Front - Center: Day 43 of 64 of the 1st Battle of Rzhev-Sychevka, Russia. Though it will end in a stalemate, it will keep German troops from going to Stalingrad.
Russian Front - South: Day 75 of 150 of Germany's CASE BLUE, the failed offensive to take the Caucasus oil fields.
Russian Front - South: Day 19 of 165 of the Battle of Stalingrad, the bloodiest battle in human history.
MTO - Libya: US B-24s attack the harbor and shipping in Tobruk.
East Africa: Day 129 of 186 of the Battle of Madagascar.
CBI - China: Day 1,892 of 2,987 of the 2nd Sino-Japanese War.
Day 119 of 124 of Japan's Zhejiang-Jiangxi Campaign, launched to punish anyone suspected of aiding the Doolittle raiders in China. Roughly 250,000 Chinese will be killed.
PTO - Alaska: Day 96 of 435 of the Battle of Kiska, Aleutian Islands. The US and Canada will defeat the Japanese invaders.
PTO - Australia: Richard Bong, America's future top fighter Ace, is assigned to 9th Fighter Squadron, Australia.
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Dick Bong related dates...
09 Jan 42: Receives wings, commissioned 2nd Lieutenant
12 Jun 42: Reprimanded, grounded for reckless flying
10 Sep 42: Assigned to 9th Fighter Squadron, Australia
27 Dec 42: Shoots down his first two Japanese planes
07 Jan 43: Shoots down his 3rd and 4th Japanese planes
08 Jan 43: Gets 5th Japanese plane, becoming an Ace
PTO - Malaya: Day 204 of 357 of the Battle of Timor Island, a long guerrilla war ending in Japanese victory.
PTO - New Guinea: Day 52 of 119 of the Battle of the Kokoda Track. The Japanese continue driving over the Owen Stanley Range toward Port Moresby. This will become an Allied victory.
PTO - Solomon Islands: Day 35 of 187 of the Battle of Guadalcanal.
1943 — , September 10
Germany: Members of the "Solf Circle" resistance group of anti-Nazi intellectuals meet near Heidelberg for a tea party. One attendee will inform the Gestapo of the gathering, leading to the 12 Jan 44 arrest and subsequent execution of 74.
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Elisabeth von Thadden
Russian Front - North: Day 733 of 872 of the Siege of Leningrad.
Russian Front - North: Day 494 of 658 of the Siege of the Kholm Pocket, USSR lays siege to the Kholm Pocket but the Germans hold out for a about a year and a half.
Russian Front - Center: Day 35 of 57 of the 2nd Battle of Smolensk, Russia. Becomes a Soviet victory as the Axis are pushed completely away from the Moscow region.
Russian Front - Center: Day 25 of 48 of the Battle of Bryansk, Russia. German troops continue retreating.
Russian Front - South: Day 18 of 122 of the Battle of the Lower Dnieper River, USSR.
Russian Front - South: Soviet marines supported by the Soviet Fleet recapture the Black Sea port of Novorossiysk, Russia.
MTO - Italy: The Germans occupy Rome. Allies continue their beach landings while the US 9th and 12th Air Forces provides air support.
CBI - China: Day 2,257 of 2,987 of the 2nd Sino-Japanese War.
PTO - New Guinea: Day 142 of 148 of the 2nd Battle of Lae-Salamaua. Will become an Allied victory.
PTO - Solomon Islands: Day 27 of 56 of the Battle of Vella Lavella. The Allies will win this one.
1944 — , September 10
ETO - France: Day 41 of 284 of the Battle of Brittany.
ETO - France: Day 27 of 32 of Operation DRAGOON, the Allied invasion of southern France. US and French troops continue racing up the Rhone Valley.
ETO - Belgium: Day 9 of 62 of the liberation of Belgium. The first Allied patrol crosses German frontier east of Liege, near Aachen. US First Army occupies Luxembourg.
ETO: US 8th Air Force: B-24s and B-17s bomb targets in Germany.
Russian Front - South: The Russians enter Sofia, the capital of Bulgaria.
MTO - France: US 12th Air Force fighters blast communications in the Belfort and Dijon areas, cutting railroads and hitting several trains.
MTO: US 15th Air Force: Targets are at Vienna, Austria and Trieste, Italy.
MTO - Italy: US 12th Air Force: In Italy medium bombers hit targets in the Po Valley while fighters support the Allied ground troops on the Gothic Line.
MTO - Greece: The British make an unopposed landing on the island of Kythera off the Peloponnese.
CBI - Burma: Day 163 of 302 of the Chinese Salween Offensive in Burma.
CBI - China: Day 2,623 of 2,987 of the 2nd Sino-Japanese War.
Day 147 of 259 of Japan's Operation ICHI-GO.
PTO: The US Navy begins a two-day bombardment of the Palau Islands in the Pacific.
PTO - New Guinea: Day 271 of 597 of the Battle of New Britain.
PTO - New Guinea: Day 142 of 481 of the Battle of Western New Guinea.
1945 — , September 10
Norway: Nazi collaborator and former puppet ruler Vidkun Quisling is sentenced to death in Oslo, Norway.
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Dates related to Norway, heavy water and Quisling...