1911
March 12
Wilbur leaves for Europe to testify in a French Wright patent suit in Paris and to train pilots in Germany.
1912
January-April
Wilbur and Orville testify for patent infringement lawsuits.
May 30
Wilbur dies of typhoid fever in Dayton.
1913
February 10
Orville and Katharine leave for Europe on business and return March 19.
March 25-27
Miami River floods and causes considerable damage to the Wright family home and property in Dayton. Wrights' collection of glass plate photographic negatives as well as early business and aviation records are damaged.
1914
January 13
U.S. Circuit Court of Appeals of New York rules in favor of the Wright Company in its suit against Herring-Curtiss Company and Glenn H. Curtiss.
November 16
Wright Company files a complaint against Curtiss Aeroplane Company for continuing to manufacture, use, and sell flying machines which infringe on Wright patent.
1915
April-May
Orville involved in patent infringement lawsuits.
August
In its 1914 annual report, the Smithsonian Institution states that Samuel P. Langley's aerodrome was "the first aeroplane capable of sustained free flight with a man." This statement leads to the controversy between Orville and the Smithsonian Institution that is not resolved until 1942.
October 15
Orville sells his interest in the Wright Company but serves as consulting engineer.
1916
August 7
Wright Company merges with Glenn L. Martin Company, becoming Wright-Martin Aircraft Corporation. Orville serves as chief consultant engineer.
1917
Orville establishes Wright Aeronautical Laboratory in Dayton.
April 3
Bishop Milton Wright dies in Dayton.
1920
January 13
Orville gives depositions for patent lawsuits.
January 29
President Wilson appoints Orville a member of National Advisory Committee for Aeronautics. He serves until his death in 1948.
May 23
Wilbur and Orville's brother Reuchlin Wright dies in Kansas City, Missouri.
1921
February 2
Orville gives depositions for patent lawsuits.
1925
January 20
Orville issued a patent for a mechanical toy. The toy is produced and sold by the Miami Specialty Wood Company in Dayton, of which Lorin Wright is president.
May
Orville and the secretary of the Smithsonian Institution publicly disagree over whether Samuel Langley's Aerodrome or the Wrights' airplane was the first capable of flight.
1926
November 20
Katharine Wright marries Henry J. Haskell.
1928
January 31
In response to the Smithsonian controversy, Orville ships the 1903 Wright airplane to the Science Museum in London, England, as a five-year loan.
1929
February 27
Distinguished Flying Crosses awarded to Orville and Wilbur presented to Orville by Secretary of War Dwight F. Davis.
March 3
Katharine Wright Haskell dies of pneumonia in Kansas City. | 
