1890 – Casey was born in Brisbane, Queensland on the 29th of August.
1893 – His father moved the family to Melbourne and became a rich company director. Casey was educated at Cumloden School St Kilda and Melbourne Grammar.
1909 – He enrolled for first year engineering at the University of Melbourne.
1913 – He completed a Bachelor of Arts.
– He graduate with second-class honours in the mechanical sciences tripos and a Master of Arts.
1914 – At the outbreak of World War I, Casey joined the First Australian Imperial Force as a lieutenant, and served at Gallipoli as aide-de-camp to Major General Sir William Bridges.
1919 – He resigned his commission in June and transferred to the Reserve of Officers, serving as a part-time intelligence officer in Mellbourne.
1931 – Casey returned to Australia and was elected to the House of Representatives as UAP MP for the Geelong-based seat of Corio.
1933-1935 – Prime Minister Joseph Lyons appointed him an assistant minister and he became Treasurer.
1942 – Casey moved to Cairo, when Winston Churchill appointed him Minister Resident in the Middle East to the annoyance of Prime Minister John Curtin and some in the British Foreign Office.
1946 – Casey returned to Australia in the hope of being elected to parliament in the 1946 election
– He become the leader of the new Liberal Party that Menzies had formed, as part of his reorganisation of conservative politics in Australia.
1950 – Casey was also Minister in charge of the Commonwealth Scientific and Industrial Research Organisation from March to his retirement and he was committed to its success.