Complex sentence: On 1 March 1936, Emperor Haile Selassie arrived by foot at his new headquarters in Quorom, forty years to the day from the decisive Ethiopian victory at Battle of Adwa fought during the First Italo-Ethiopian War.
Split into simpler sentences: On 1 March 1936, Haile Selassie arrived by foot at his new headquarters in Quorom. This was forty years to the day from the decisive Ethiopian victory at Battle of Adwa fought during the First Italo-Ethiopian War.