1928 – When Dejazmach Balcha Safo went to Addis Ababa with considerable size of forces, Tafari consolidated his hold over the provinces, many of Menelik's appointees refused to abide the new regulations.[14]
18 February 1928 – As Balcha Safo went to Addis Ababa, Tafari had Ras Kassa Haile Darge buy off his army and arranged to have him displaced as the shum of Sidamo Province, by Birru Wolde Gabriel who himself was replaced by Desta Damtew.[15][4]
18 January 1941 – during the East African Campaign in World War II, Haile Selassie crossed the border between Sudan and Ethiopia near the village of Um Idda.[32]
5 May 1941 – Haile Selassie entered Addis Ababa and reclaimed his throne after leaving for five years since Italian occupation, and address the Ethiopian populace.[33]
1966 – Haile Selassie attempted to replace the historical tax system with a single progressive income tax, which weakened the nobility which previously avoided to pay taxes.[48]
1960s – 1970s – Students Marxism revolution took place among educated people with radical and left-wing sentiments to oppose Haile Selassie feudal administration.[49]
1972 – 1974 – the Wollo–Tigray famine killed about 40,000 to 80,000 Ethiopians. Haile Selassie was criticized for not reporting these famines.[50]
27 August 1975 – Haile Selassie died and pronounced on state media one day later on 28 August from "respiratory failure" following complications from prostate examination followed up by a prostate operation.[58][59]
17 February 1992 – After the fall of the Derg in 1991, Haile Selassie's bones were found under a concrete slab on the palace grounds.[60][61]