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      <pubDate>2021-04-30 21:42:32 UTC</pubDate>
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         <title>2.500.000 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480078209</link>
         <description><![CDATA[<div>El hombre se comunica por medio de sonidos gruñidos y expresiones corporales</div>]]></description>
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         <pubDate>2021-04-30 21:49:03 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480078209</guid>
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      <item>
         <title>30.000 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480080452</link>
         <description><![CDATA[<div>En la antigüedad pintaban en las paredes de las cuevas para enviar mansajes utilizando  signos y símbolos</div>]]></description>
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         <pubDate>2021-04-30 21:50:37 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480080452</guid>
      </item>
      <item>
         <title> 5000 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480084986</link>
         <description><![CDATA[<div>Se crean los pictogramas e ideogramas que representaban conceptos, ideas y actividades</div>]]></description>
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         <pubDate>2021-04-30 21:53:35 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480084986</guid>
      </item>
      <item>
         <title>4000 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480086352</link>
         <description><![CDATA[<div>Se aparece la rueda</div>]]></description>
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         <pubDate>2021-04-30 21:54:33 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480086352</guid>
      </item>
      <item>
         <title>3000 AC </title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480087135</link>
         <description><![CDATA[<div>Los egipcios descubrieron un material para escribir llamado papiro</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 21:55:03 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480087135</guid>
      </item>
      <item>
         <title>2000 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480088398</link>
         <description><![CDATA[<div>El primer alfabeto surgió en el antiguo Egipto, representa el lenguaje de los trabajadores semitas</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 21:55:53 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480088398</guid>
      </item>
      <item>
         <title>1700 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480090219</link>
         <description><![CDATA[<div>En Siria y Palestina surgió la primera forma de comunicación con símbolos individuales</div>]]></description>
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         <pubDate>2021-04-30 21:57:04 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480090219</guid>
      </item>
      <item>
         <title>1300 AC </title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480091832</link>
         <description><![CDATA[<div>Los indios&nbsp;desarrollan fogatas para comunicarse con señales de humo</div>]]></description>
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         <pubDate>2021-04-30 21:58:15 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480091832</guid>
      </item>
      <item>
         <title>778 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480093666</link>
         <description><![CDATA[<div>Palomas mensajeras en Grecia</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 21:59:27 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480093666</guid>
      </item>
      <item>
         <title>550 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480094177</link>
         <description><![CDATA[<div>Primer servicio postal en Persia. Jinetes a caballo transportaban mensajes escritos</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 21:59:51 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480094177</guid>
      </item>
      <item>
         <title>196 AC</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480095687</link>
         <description><![CDATA[<div>La piedra de Rosetta, estela egipcia que facilitó la clave para el entendimiento de los jeroglíficos</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:00:58 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480095687</guid>
      </item>
      <item>
         <title>57</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480097969</link>
         <description><![CDATA[<div>Se crea el heliógrafo en Roma para realizar señales</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:02:42 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480097969</guid>
      </item>
      <item>
         <title>105 </title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480100194</link>
         <description><![CDATA[<div>Se descubrió el papel en China</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:04:20 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480100194</guid>
      </item>
      <item>
         <title>800 </title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480100766</link>
         <description><![CDATA[<div>Fue inventada la pólvora en la antigua China</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:04:43 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480100766</guid>
      </item>
      <item>
         <title>868</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480101916</link>
         <description><![CDATA[<div>Aparece el primer libro impreso, fue en China, llamado El Sutra del diamante</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:05:31 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480101916</guid>
      </item>
      <item>
         <title>1440 </title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480103272</link>
         <description><![CDATA[<div>Se creo la imprenta de la mano de Johannes Gutenberg</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:06:27 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480103272</guid>
      </item>
      <item>
         <title>1492</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480104366</link>
         <description><![CDATA[<div>Con el descubrimiento de América se abren nuevas rutas para el intercambio económico y cultural</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:07:14 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480104366</guid>
      </item>
      <item>
         <title>1513-1522</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480105805</link>
         <description><![CDATA[<div>La primera vuelta al mundo, realizada por Fernando de Mangallanes</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:08:14 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480105805</guid>
      </item>
      <item>
         <title>1600 </title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480107187</link>
         <description><![CDATA[<div>Se implementa el lenguaje de señas, distinto en cada país</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:09:12 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480107187</guid>
      </item>
      <item>
         <title>1605</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480108103</link>
         <description><![CDATA[<div>Primeros periódicos en Alemania</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:09:50 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480108103</guid>
      </item>
      <item>
         <title>1729</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480108931</link>
         <description><![CDATA[<div>Stephan Gray descubre que la electricidad puede ser transmitida</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:10:21 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480108931</guid>
      </item>
      <item>
         <title>1770</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480110274</link>
         <description><![CDATA[<div>Se crea el primer automovil</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:11:18 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480110274</guid>
      </item>
      <item>
         <title>1807</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480110868</link>
         <description><![CDATA[<div>Robert Fulto, inventor norteamericano, construye el barco de vapor</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:11:46 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480110868</guid>
      </item>
      <item>
         <title>1829</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480112082</link>
         <description><![CDATA[<div>George Stephenson y su hijo&nbsp;construyen la primera locomotora a vapor eficaz</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:12:40 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480112082</guid>
      </item>
      <item>
         <title>1835-1837</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480113391</link>
         <description><![CDATA[<div>Samuel Morse inventa el código Morse y el telégrafo </div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:13:35 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480113391</guid>
      </item>
      <item>
         <title>1850</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480114444</link>
         <description><![CDATA[<div>Lois Braile crea un sistema de puntos y relieves para que las personal ciegas pudieran leer y escribir</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:14:21 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480114444</guid>
      </item>
      <item>
         <title>1895</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480115719</link>
         <description><![CDATA[<div>El nacimiento del cine en Francia con los hermanos Lumiere</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:15:14 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480115719</guid>
      </item>
      <item>
         <title>1896</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480116583</link>
         <description><![CDATA[<div>Los hermanos John y Charles Erikson junto con Frank Lundquist diseñan el primer teléfono de disco </div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:15:50 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480116583</guid>
      </item>
      <item>
         <title>1901</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480119287</link>
         <description><![CDATA[<div>Aparece la radio, Marconi obtuvo la primera patente de esta</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:17:33 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480119287</guid>
      </item>
      <item>
         <title>1902</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480120771</link>
         <description><![CDATA[<div>Primera señal transatlántica, desde Cornualles a Terranova</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:18:31 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480120771</guid>
      </item>
      <item>
         <title>1908</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480121735</link>
         <description><![CDATA[<div>Edison consigue, después de 500 procesos judiciales, el control de las industria cinematográfica</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:19:15 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480121735</guid>
      </item>
      <item>
         <title>1927</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480123959</link>
         <description><![CDATA[<div>Transmisión de televisión en Inglaterra</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:20:57 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480123959</guid>
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      <item>
         <title>1938</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480124662</link>
         <description><![CDATA[<div>John Atanasoff desarrollo la primera computadora digital electrónica</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:21:30 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480124662</guid>
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      <item>
         <title>1969</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480125706</link>
         <description><![CDATA[<div>Primera red de computadores ARPANET&nbsp;<br>Apolo 11, misión espacial donde el ser humano llega a la luna</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:22:13 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480125706</guid>
      </item>
      <item>
         <title>1977</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480127713</link>
         <description><![CDATA[<div>El primer prototipo de telefonía celular es instalado en Chicago, por ATYT</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:23:37 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480127713</guid>
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      <item>
         <title>1989</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480128799</link>
         <description><![CDATA[<div>nacimiento de internet, la World Wide Web creada por Tim Berners-Lee</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:24:28 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480128799</guid>
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      <item>
         <title>1994</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480130804</link>
         <description><![CDATA[<div>Se crea el primer teléfono inteligente: IBM Simon Personal Communicator</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 22:25:59 UTC</pubDate>
         <guid>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480130804</guid>
      </item>
      <item>
         <title>Actualidad</title>
         <author>thomasmartinezz</author>
         <link>https://padlet.com/thomasmartinezz/o73xcxjwap3i2pmx/wish/1480132827</link>
         <description><![CDATA[<div>El uso de las redes sociales facilita el contacto a cualquier parte del planeta con acceso a internet</div>]]></description>
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         <pubDate>2021-04-30 22:27:33 UTC</pubDate>
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