Pioneer aviatrices include French, Raymonde de Laroche, the world's first licensed female pilot on March 8, 1910 ; Belgian, Helene Dutrieu, the first woman to fly a passenger, first woman to win an air race ( 1910 ), and first woman to pilot a seaplane ( 1912 ); French, Marie Marvingt the first woman to fly solo across the English Channel and the North Sea in a balloon ( October 26, 1909 ) and first woman to fly as a bomber pilot in combat missions ( 1915 ); American, Harriet Quimby, the USA's first licensed female pilot in 1911, and the first woman to cross the English Channel by airplane ; American Amelia Earhart, the first woman to fly solo across the Atlantic ( 1932 ); Bessie Coleman, the first African American female to become a licensed airplane pilot ( 1921 ); German, Marga von Etzdorf, first woman to fly for an airline ( 1927 ); Opal Kunz, one of the few women to train US Navy fighter pilots during World War II in the Civilian Pilot Training Program ; and the British Amy Johnson, the first woman to fly solo from Britain to Australia ( 1930 ).

Girl Scouts first started camping there before 1930 and in 1938 / 1939 substantial work was done by the Civilian Conservation Corps.

The remaining were bought by the Corporation in 1930 and in September 1975 the park and its surroundings were designated a Conservation Area.

With the sound era, films like All Quiet on the Western Front ( 1930 ) ( and its much darker German counterpart Westfront 1918 ), Howard Hawks ' Road to Glory ( 1936 ) and Grand Illusion ( 1937 ), focused on the futility of war for non-American soldiers whilst Hollywood produced American soldiers featuring in World War I comedies such as Buster Keaton's Doughboys ( 1930 ) and Wheeler & Woolsey's Half Shot at Sunrise ( 1930 ), or exciting tales of the U. S. Marine Corps putting down rebellions in Central America, China, and the Pacific Islands in films like Frank Capra's Flight ( 1930 ), The Leathernecks Have Landed ( 1936 ) and Tell it to the Marines ( 1926 film ).

He received a regular commission in the United States Army Air Corps in January 1930.

He held this reserve commission until June 1930, when he was appointed as a Regular Army officer in the Air Corps.

* Second Lieutenant, Army Air Corps: February 1, 1930

Major Moody earned his military wings in 1930 and flew U. S. airmail as a member of the United States Army Air Corps in 1934.

In 1930, there were rumors the US Army Corps of Engeinners building a Dam and relocation would be required.

Doolittle resigned his regular commission on February 15, 1930, and was commissioned a major in the Specialist Reserve Corps a month later, being named manager of the Aviation Department of Shell Oil Company, in which capacity he conducted numerous aviation tests.

The design was the only standard bomber used by the Air Service until 1930 and was used by seven squadrons of the Air Service / Air Corps: four in Virginia, two in Hawaii, and one in the Philippines.

In 1930 he also became Chief of the Field Service Section, Air Corps Materiel Division, and was promoted to lieutenant colonel on February 1, 1931.

In 1926, after completing his tour as Army Chief of Staff, Hines took command of the IX Corps Area in California, which he led until 1930.

Elmer Sperry Jr., the son of Lawrence Sperry, and Capt Shiras continued work after the war on the auto-pilot developed by Elmer Sperry's father, and in 1930 test a more compact and reliable auto-pilot which kept a US Army Air Corps aircraft on a true heading and altitude for three hours, that was probably of the type used by Wiley Post to fly alone around the world in less than eight days in 1933.

However, when Marine Corps commandant Major General Wendell C. Neville died July 8, 1930, Butler, at that time the senior major general in the Corps, was not appointed.

General Sir Horace Lockwood Smith-Dorrien GCB, GCMG, DSO, ADC ( 26 May 1858 – 12 August 1930 ) was a British soldier and commander of the British II Corps and Second Army of the BEF during World War I.

* Corps et biens ( 1930 ) / Body and Goods /

During the Presidency of Augusto B. Leguía ( 1919 – 1930 ) a Navy Ministry was established as well as a Navy Aviation Corps, both in 1920.

Ben Hebard Fuller ( February 27, 1870 – June 8, 1937 ) was a Major General in the United States Marine Corps and served as Commandant of the Marine Corps between 1930 and 1934.

Following the death of Major General Commandant Wendell C. Neville on July 9, 1930, Brigadier General Fuller was promoted to major general and appointed Commandant of the Marine Corps.

* Major General Commandant of the Marine Corps, August 7, 1930

Reverted to basic rank of major and was director of the Army War College, 1919 – 1920 ; was promoted to colonel of cavalry and assigned as commander, District of Arizona, 1920 – 1921 ; was promoted to brigadier general in the Regular Army, April 1921 ; served as commandant of the United States Army Cavalry School, 1921 – 1923 ; commanded the Coast Artillery District of Manila, 1923 – 1924 ; was promoted to major general and assigned as chief of cavalry, 1924 – 1926 ; was assistant chief of staff, G – 3, of the Army, 1926 – 1927, then commanded the Fourth Corps Area, 1927, the Panama Canal Division, 1927 – 1928, the Panama Canal Department, 1928 – 1930, and the Ninth Corps Area, 1930 – 1935 ; was commandant of the Army War College, 1935 ; was promoted to general, October 1935 ; was chief of staff of the United States Army, October 2, 1935 – August 31, 1939 ; Malin Craig Chief of Staff of the United States Army | U. S. Army Chief of staff ( in the centre of the pictire ) riding in an Armistice Day parade with Fulgencio Batista ( on left in the picture ) in Washington D. C .,.

In 1930, notable Mehli Mehta set up the Bombay Symphony Orchestra.

The Jules Rimet Trophy was taken to Uruguay for the first FIFA World Cup aboard the Conte Verde, which set sail from Villefranche-sur-Mer, just south of Nice, on 21 June 1930.

The official constellation boundaries, as set by Eugène Delporte in 1930, are defined by a polygon of 4 segments.

The situation changed rapidly in the years 1925 – 1930, when working mathematical foundations were found through the groundbreaking work of Erwin Schrödinger, Werner Heisenberg, Max Born, Pascual Jordan, and the foundational work of John von Neumann, Hermann Weyl and Paul Dirac, and it became possible to unify several different approaches in terms of a fresh set of ideas.

The official constellation boundaries, as set by Eugène Delporte in 1930, are defined by a polygon of four segments.

The highest temperature on record was 115, set in August 1936, and the record low was − 5, set in 1930.

In 1930, Gödel's completeness theorem showed that propositional logic itself was complete in a much weaker sense — that is, any sentence that is unprovable from a given set of axioms must actually be false in some model of the axioms.

In 1930 the number of judges was increased to 15, and a new set of elections were held.

In 1930, he set a new world record for the 20 km.

The official constellation boundaries, as set by Eugène Delporte in 1930, are defined by a polygon of 10 segments.

The official constellation boundaries, as set by Eugène Delporte in 1930, are defined by a polygon of 18 segments.

The official constellation boundaries, as set by Eugène Delporte in 1930, are defined by a polygon of four segments.

Although Barcelona won the very first Liga in 1929 and Real Madrid won their first titles in 1932 and 1933, it was Athletic Bilbao that set the early pace winning Primera División in 1930, 1931, 1934 and 1936.

Around 1930 a marker " Oahu West Base " 21 deg 18 min 13. 889 sec North, 157 deg 50 min 55. 796 sec West was set as the origin of Hawaii's system, and the latitude-longitude of all other points was defined by distance and direction from that marker.

He made two other early British talkies: Wolves with Dorothy Gish ( 1930 ) from a play set in a whaling camp in the frozen north, and Down River ( 1931 ), in which he played a drug smuggler.

1, A Hymn to the Virgin ( 1930 ) and a set of choral variations A Boy was Born, written in 1933 for the BBC Singers, who first performed it the following year.

: Adrian Bell was the first to set The Times Crossword from 1930 and was one of those responsible for establishing its distinctive cryptic style.

The first B & W two-stroke diesel engine set off to sea in 1930 and the world's largest diesel engine at the time was delivered in 1933 to H. C. Ørsted Power Station.

Between 1930 – 1935, Earhart had set seven women's speed and distance aviation records in a variety of aircraft including the Kinner Airster, Lockheed Vega, and Pitcairn Autogiro.

The record high temperature is 107 ° F ( 41. 7 ° C ), set on July 29, 1930, and the record low is − 6 ° F (− 21. 1 ° C ), set on January 21, 1985.

In the process, he passed 1000 Test runs against England and the partnership broke the Ashes partnership record at Lord's, which had been set by Bill Woodfull and Don Bradman in 1930.

He batted two days to amass 334 not out, equalling Sir Donald Bradman's Australian record set in 1930.

After 1930, the Census Bureau saw the need to standardize the delineation, review, and updating of census tracts and published the first set of census tract criteria in 1934.