First Seven Weeks (1 ene 457 año aC – 1 ene 408 año aC)
Descripción:
 The 70 weeks of Daniel 9 prophecy timeline started with the command from Persian leader Artaxerxes in 457 BC. The first seven weeks (49 years) took place from 457 - 408 BC. The seven weeks were delineated because they comprise a 49-year Jubilee cycle, marking 457 BC as a year of Jubilee when the Jews were released to rebuild Jerusalem. 
Añadido al timeline:
fecha:
1 ene 457 año aC
1 ene 408 año aC
 ~ 49 years