Los reyes aztecas

El viaje de Magallanes-Elcano, hace ya quinientos años, es una de las más emocionantes aventuras de la historia. Sus protagonistas viven al límite, dispuestos a superar dificultades sin precedentes con tal de culminar su hazaña: dar la vuelta al mundo. Para enriquecer el relato, el autor utiliza sus conocimientos de navegación, oceanografía, astronomía, meteorología y climatología para exponer las asombrosas circunstancias de uno de los viajes más difíciles de la historia: una "aventura histórica", porque todo lo que se narra corresponde a hechos reales y sobrepasa a cualquier...

El submarino, como arma de guerra útil, apareció a principios del siglo XIX. Pese a que eran poco fiables, ya eran útiles para auténticas batallas navales. Pronto se vería que iban a ser un arma que tendría un prometedor futuro si se desarrollaba plenamente. Al comienzo de la Segunda Guerra Mundial, el número de buques de la armada alemana era demasiado pequeño para disputar el control del mar a la Royal Navy británica; su única posibilidad estratégica era atacar su comercio utilizando la flota submarina; una clásica guerra de corso, como la realizada por Inglaterra durante siglos ...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...