escape of 29 political prisoners
... that the escape of 29 political prisoners in Segovia in 1976 was Spain's largest prison break since its civil war?
... that the <b id="mwCP0"><a href="./Segovia_prison_break" id="mwCP4" rel="mw:WikiLink" title="Segovia prison break">escape of 29 political prisoners</a></b> in Segovia in 1976 was Spain's largest prison break since <a href="./Spanish_Civil_War" id="mwCP8" rel="mw:WikiLink" title="Spanish Civil War">its civil war</a>?