The Great Purge of 1937 – 1939 and Purge of 1940 – 1942 removed many leading officers from the Red Army, including Tukhachevsky and many of his followers, and the doctrine was abandoned.

The Red Army, however, had been crippled by Soviet leader Joseph Stalin's Great Purge of 1937, reducing the army's morale and efficiency shortly before the outbreak of the fighting.

In 1936 and 1937, at the orders of Stalin, thousands of Red Army officers were dismissed from their commands.

Red Army marshal Mikhail Tukhachevsky, executed during the Great Purge in June 1937.

Recently declassified data indicate that in 1937, at the height of the Purges, the Red Army had 114, 300 officers, of whom 11, 034 were dismissed.

In 1938, the Red Army had 179, 000 officers, 56 % more than in 1937, of whom a further 6, 742 were sacked.

In 1937, the entire junior class of one academy was graduated a year early to fill vacancies in the Red Army.

In December 1937, during the winter meetings, the deal was made between Lane and Collins, sending Williams to the Boston Red Sox and giving Lane $ 35, 000 and two major leaguers, Dom D ' Allessandro and Al Niemiec, and two other minor leaguers.

The three armies would maintain their historical designation as the First, Second and Fourth Red Armies until Communist military forces were nominally integrated into the National Revolutionary Army, forming the Eighth Route Army and the New Fourth Army, during the Second Sino-Japanese War from 1937 to 1945.

In 1937 he recorded Lincoln's Gettysburg Address on a 10-inch Columbia 78, having made a strong impression with it in Ruggles of Red Gap.

Raymond Massey played Richelieu in Under the Red Robe ( 1937 ), based on Stanley J. Weyman's swashbuckling novel of the same title.

That set up a non-title bout with lightweight king Lou Ambers, which Montanez won in a 10 round decision — he was thereafter dubbed the “ uncrowned champion .” Impressive wins over formidable foes Eddie Ran, Wesley Ramey, and Freddie “ Red ” Cochrane set up a title bout with Ambers on the September 23, 1937, “ Carnival of Champions ” show at the Polo Grounds in New York City.

* There was also a secret trial before a military tribunal of a group of Red Army commanders, including Mikhail Tukhachevsky, in June 1937.

Red Dust ( 1932 ), Bombshell ( 1933 ), and Reckless ( 1935 ) showcased Jean Harlow, while Treasure Island ( 1934 ) and Captains Courageous ( 1937 ) brought a touch of literary distinction to boy's-own adventure stories.

* Carter Dickson's The Plague Court Murders ( 1934 ), The White Priory Murders ( 1934 ), The Red Widow Murders ( 1935 ), The Ten Teacups ( 1937 ), The Judas Window ( 1938 ), He Wouldn't Kill Patience ( 1944 )

When the late afternoon series began, it was heard at 5: 15pm, three times a week, sponsored by Dari-Rich, airing on NBC's Red network from November 1, 1937 to June 1, 1938.

*" Stardust " ( played by Fats Waller, 1937 ) The Red Hot Jazz Archive

* A Benedetto Brin class submarine ( 1937 ), sank in the Red Sea due to the British Navy in 1940

Composition with Yellow, Blue, and Red, 1937 – 42, Piet Mondrian.

The effects of the Great Purge in 1937 – 38 on the Red Army's officer corps undoubtedly played a role in the slow reaction of the VVS and its command to the new realities of air combat.

The transpolar flights in summer 1937 occurred following the arrest and execution of a large body of the Red Army officer corps.

He appeared in many cartoons like The Windblown Hare ( Robert McKimson, 1949 ), Red Riding Hoodwinked ( Friz Freleng, 1955 ), The Turn-Tale Wolf ( McKimson, 1952 ), Little Red Walking Hood ( Tex Avery, 1937 ) and A Gander at Mother Goose ( Avery, 1940 ).

At the August 20, 1937 Lochuan Conference, Mao believed that the united front should be used as a feint, giving token resistance to the Japanese while saving the strength of the Red Army for the eventual confrontation with the Kuomintang, but Peng, along with most other senior military and political leaders at the time, disagreed, and believed that the Red Army should genuinely focus on fighting the Japanese.

During the Sino-Japanese War ( 1937 – 1945 ) and World War II ( 1939 – 1945 ), the Special Research Units of the Imperial Japanese Army, such as Unit 731, conducted human experimentation on thousands of Chinese, among others.

( 1937 ) relied heavily on other theorists such as Ludwig Ritter von Eimannsberger, whose major book, The Tank War ( Der Kampfwagenkrieg ) ( 1934 ) gained a wide audience in the German Army.

After Japan went to war with China in 1937, passenger car production was restricted, so by 1938, Datsun's Yokohama plant concentrated on building trucks for the Imperial Japanese Army.

* 1937 – Second Sino-Japanese War: Battle of Nanjing – Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese.

Following the coronation celebration, Alexander returned to India, where he was made the honorary colonel of the 3rd Battalion 2nd Punjab Regiment, and then in October 1937 was promoted to the rank of major-general, making Alexander the youngest general in the British Army.

* 1937 – Tōngzhōu Incident: in Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.

In 1935 the Nazi government had passed a decree that required all inventions of possible military significance to be reported to the Ministry of War, so in May 1937 Schrader sent a sample of tabun to the chemical warfare ( CW ) section of the Army Weapons Office in Berlin-Spandau.

The Peenemünde Army Research Center (, HVP ) was founded in 1937 as one of five military proving grounds under the Army Weapons Office ( Heeres Waffenamt ).

* 1937 – Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.

The Japanese are said to have obtained an Enigma machine as early as 1937, although it is debated whether they were given it by their German ally or bought a commercial version which, except for plugboard and internal wirings, was essentially the German Army / Air Force machine.

Sherman appeared again in the US Army issue of 1937, a commemorative postage stamp jointly honoring Generals Sherman, Grant and Sheridan.

The Podlaska Cavalry Brigade () was a military unit of the Polish Army, created on April 1, 1937.

He retired from the U. S. Army in 1937 to become Military Advisor to the Commonwealth Government of the Philippines.

Bai argued for the need for increased awareness of Islam and Muslims by the Chinese population in general in 1937, since Muslims numbered 50 million in China alone, and western works were the only works available for non-Muslim Chinese to study Muslims living right with them in China.

However, as a gesture of continuity with its Free State predecessor, the first Senate elected after 1937 is numbered as the " Second Seanad ".

The Type was numbered 97 as an abbreviation of the imperial year 2597, translating to the year 1937 in standard Gregorian calendar.

In May, 1933, RCA restarted Bluebird as a 35c ( 3 for $ 1 ) general-interest budget record, numbered B-5000 and up, with a new blue-on-beige label ( often referred as the " Buff " Bluebird, used until 1937 in the US and 1939 in Canada ).

In 1937 one class E-3SD 4-4-2 steam locomotive was purchased from the PRR, numbered 311.

Leamington station layout, showing the main building and platformsThe present art deco-style station, which dates from immediately prior to the Second World War ( it was comprehensively rebuilt between 1937 and 1939 ), has four platforms, numbered one to four from south to north.

The asteroid 69230 Hermes was found in 2003 and numbered, but was found to be a discovery from 1937 which had even been named, but subsequently lost.

Built for the LNER in 1937 and originally numbered 4488, it was named after the then newly-formed Union of South Africa.

However, as a gesture of continuity with its predecessor, the first Seanad elected after 1937 is numbered as the ' Second Seanad '.

The Canadian Pacific Railway owned 30 class H1c Royal Hudsons, numbered 2820-2849, built in 1937, 10 class H1d Royal Hudsons, numbered 2850-2859, built in 1938, and five class H1e Royal Hudsons, numbered 2860-2864, built in 1940.

Built for the London and North Eastern Railway in 1937, this locomotive was originally numbered 4496 and named Golden Shuttle.

Built for the LNER in 1937 at Doncaster Works as works number 1866, it was originally numbered 4464.

In 1937 each stone on the upstream side was removed and numbered and the bridge widened ; the stone facing of the upstream side was then reassembled and the bridge reopened to traffic in 1940.

7240 – 53, rebuilt August 1937 – December 1939, were selected at random from locomotives numbered in the 42xx series.