1 ene 1460 año - Sea Astrolable is invented
Descripción:
 It is made by a Persian astronomer named Abd al-Rahman al-Sufi. The invention helped sailors navigate the world. The invention uses stars to tell you where you are on the earth. 
Añadido al timeline:
fecha:
1 ene 1460 año
Ahora mismo
 ~ 566 years ago 
Fotos:
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