1960 Ethiopian coup
... that the unsuccessful 1960 Ethiopian coup was the most serious threat to Emperor Haile Selassie's rule between his return to Ethiopia in 1941 and his deposition in 1974?
... that the unsuccessful <b id="mwDkE"><a class="mw-redirect" href="./1960_Ethiopian_coup" id="mwDkI" rel="mw:WikiLink" title="1960 Ethiopian coup">1960 Ethiopian coup</a></b> was the most serious threat to Emperor <a href="./Haile_Selassie" id="mwDkM" rel="mw:WikiLink" title="Haile Selassie">Haile Selassie</a>'s rule between <a class="mw-redirect" href="./East_African_Campaign_(World_War_II)#Emperor_Salassie_returns_to_Ethiopia" id="mwDkQ" rel="mw:WikiLink" title="East African Campaign (World War II)">his return to Ethiopia in 1941</a> and <a href="./Ethiopian_Civil_War" id="mwDkU" rel="mw:WikiLink" title="Ethiopian Civil War">his deposition in 1974</a>?