Inspiration for possible subjects
Military
Mexican revolution 1910-1917
World War 1 1914-1918
Russian Civil War 1918-1922
Third Anglo-Afghan War 1919
Russo-Polish War 1919-1920
Turkish War of Independence 1919-1922
Irish Civil War 1922-1923
Chinese Civil War 1927-1937
Sino-Soviet conflict 1929
Japanese invasion of Manchuria 1931
Columbia-Peru War 1932-1933
Chaco War (Bolivia-Paraguay) 1932-1935
Second Italio-Abyssinian War 1935-1936
Spanish Civil War 1936-1939
Second Sino-Japanese War 1937-1945
Soviet-Japanese border wars 1938-1939
Events in Civil Aviation
The first scheduled airmail service is established in the UK during 1911.
U.S. begins airmail service in 1918.
In May, 1919 NC-4, a U.S. Navy Curtiss flying boat becomes the first aircraft to cross the Atlantic.
In June, 1919 British pilots John Alcock and Arthur Brown fly a modified Vickers Vimy from England to Newfoundland becoming the first to fly non-stop across the Atlantic.
U.S. Transcontinental airmail service begins in 1920.
In 1925 Roald Amundsen uses flying boats to explore the North Pole.
In 1927 French WW1 ace Charles Nungesser disappeared over the Atlantic while trying to fly non-stop from Paris to New York.
In 1927 Charles Lindbergh becomes the first pilot to fly non-stop from New York to Paris.
In 1927 US airmail begins to be delivered by contracted private air services following a law passed by Congress in 1925 to encourage commercial aviation.
In 1928 three aircraft are used during Byrd's expedition to Antarctica. A Ford tri-motor is used to fly to the South Pole.
In 1928 an Australian Charles Kingsford Smith and a crew flying a Fokker Tri-motor become the first to cross the Pacific Ocean flying from Oakland, California to Brisbane, Australia. He continued the flight with a replacement crew becoming the first person to circle the globe by air. He later disappeared over the Indian Ocean while trying to break the speed record from England to Australia in 1935.
In 1932 Amelia Earhart becomes the first woman to fly solo non-stop across the Atlantic. She disappeared in 1937 while trying to fly across the Pacific Ocean.
In 1938 Douglas Corrigan becomes the first pilot to fly non-stop from New York to Ireland. He did not have permission from the US to make the flight and gained the nickname Wrongway Corrigan after claiming he got turned around in the fog ending up in Ireland instead of Los Angeles.
Races
Schneider Trophy - held 11 times between 1913 and 1931
Pulitzer Trophy Race (various locations in the US) - Held annually 1920 to 1925
King's Cup Race (Cross country race in the UK) - started in 1922
Dole Air Race (California to Hawaii) - One race in 1927, of the 11 competitors, 2 crashed before the race, 1 missed the start due to mechanical problems, 3 failed to complete the flight and 3 disappeared.
Western Australian Centenary Air Race (Sydney to Perth) - One race in 1929 celebrating Western Australia's centennial.
Thompson Trophy (various locations in the US) - started 1930.
Bendix Trophy (California to Ohio or New York to California) - started in 1931.
MacRobertson Air Race (England to Australia) - One race in 1934 celebrating Melbourne's centennial.
Airlines
KLM - established 1919
SCADTA (Avianca) - 1919
Qantas - established 1920
Mexicana - established 1921
Czechoslovakia Airlines (Czech Airlines) - established 1923
Imperial Airways (British Airways) - established 1924
Western Air Express - established 1925
Northwest Airways (Northwest Airlines) - established 1926
Pan American Airways - established 1927
Tulsa-Oklahoma City Airlines - established 1928
Delta Air Service (Delta Air Lines) - established 1928
Transcontinental Air Transport - established 1928
Eastern Air Transit (Eastern Air Lines) - established 1930
Transcontinental & Western Airways (TWA) - established 1930
Braniff Airways - established 1930
American Airways (American Airlines) - established 1930
United Air Lines (United Airlines) - established 1931
Air France - established 1933
Trans-Canada Air Lines - established 1937
Aircraft
1910-1919
http://en.wikipedia.org/wiki/Category:Aircraft_1910-1919
1920-1929
http://en.wikipedia.org/wiki/Category:Aircraft_1920-1929
1930-1939
http://en.wikipedia.org/wiki/Category:Aircraft_1930-1939