Prior to joining the army was a surgical assistant at the General Hospital, Birmingham
2 Aug 1884 Surgeon-Captain.
1885 Served in the Sudan.
1886–1887 Served in Burma.
1894 Alexander Memorial Gold Medalist.
1895 Served in the Chitral Campaign with the relief force.
2 Aug 1896 Surgeon-Major.
Specialist in Bacteriology
1897 Alexander Memorial Gold Medalist.
1898 Served in the Sudan.
1901–1902 Served in South Africa in operations in Cape Colony, the Orange River Colony, and the Transvaal.
1902 Author: Treatment of traumatic aneurysm by proximal ligature.
22 Aug 1902 Brevet Lieutenant Colonel for service in South Africa.
2 Aug 1904 Lieutenant Colonel RAMC.
Malta 13 Apr 1909 Arrived from RAM College Millbank London.
Special duty at Malta for eight months investigating "Simple Continued Fever", during which he discovered that the sand-fly (Phlebotomus papatasii) caused sand-fly or Simple Continued Fever. Birt also discovered the habitat and breeding grounds favoured by the Pappatasii.
Malta 18 Dec 1909 Returned to RAM College London by Postal and Oriental line.
1 Jan 1914 Appointed Colonel L/RAMC vice Walter George Augustus Bedford CMG.
26 Dec 1917 Retired.
18 Mar 1938 Died at Sydenham. Left an estate of the gross value of about £35,000. He bequeathed all his property, subject to life interest, to the Library Endowment Fund of the Royal Society of Medicine in appreciation of the services which the library renders to fellows.1