devastated by an earthquake
... that according to a letter written in 1428 by President Felip de Malla to Alfonso the Magnanimous, Catalonia was devastated by an earthquake on Candlemas that year?
... that according to a letter written in 1428 by <a class="mw-redirect" href="./List_of_Presidents_of_the_Generalitat_de_Catalunya" id="mwESQ" rel="mw:WikiLink" title="List of Presidents of the Generalitat de Catalunya">President</a> <a href="./Felip_de_Malla" id="mwESU" rel="mw:WikiLink" title="Felip de Malla">Felip de Malla</a> to <a href="./Alfonso_V_of_Aragon" id="mwESY" rel="mw:WikiLink" title="Alfonso V of Aragon">Alfonso the Magnanimous</a>, <a href="./Catalonia" id="mwESc" rel="mw:WikiLink" title="Catalonia">Catalonia</a> was <b id="mwESg"><a class="mw-redirect" href="./Catalan_earthquake_of_1428" id="mwESk" rel="mw:WikiLink" title="Catalan earthquake of 1428">devastated by an earthquake</a></b> on <a href="./Candlemas" id="mwESo" rel="mw:WikiLink" title="Candlemas">Candlemas</a> that year?