La expedición científica de Malaspina en Nueva España, 1789-1794

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American military aviation reached a low point after World War I, lagging behind its European counterparts and facing a peacetime battle for survival. To raise the public profile of aviation, military leaders encouraged their pilots to enter air shows and vie for speed, endurance, and altitude records. As a result, U.S. Army airmen daringly accomplished the first flight around the world in 1924, three years before Charles Lindbergh's famous solo flight. In Around the World in 175 Days, Carroll V. Glines recounts this adventure from the golden age of aviation. After two years of planning, four ...

Anatoli Vasílevich Lunacharski, el primer Comisario del Pueblo para la Educación, es una de las figuras más representativas de la contradicción existente en la Rusia revolucionaria entre las grandiosas aspiraciones de transformaclon social que mueven a los protagonistas de la revolución y los terribles condicionamientos bajo los que deben acometer su intento de crear una sociedad nueva. “Un bolchevique para los intelectuales, un intelectual para los bolcheviques”, Lunacharski debe enfrentarse a la incomprensión de los académicos, cuyo supuesto talante liberal se siente ofendido...

La contraofensiva estratégica De la Sierra Maestra a Santiago de Cuba