Complex sentence: Israeli War and the Six-Day War in 1967 though it did not participate in either the Suez Crisis, having only gained its independence earlier that year, or the Yom Kippur War, when Sudanese forces arrived too late to participate.
Split into simpler sentences: Israeli War and the Six-Day War in 1967 though it did not participate in either the Suez Crisis, having only gained its independence earlier that year. Sudan also did not actively participate in the Yom Kippur War, when Sudanese forces arrived too late to participate.