The Annexation of the Western Territories of 2743 was the Republic of Manhattan's annexation of the 27 independent colony worlds. This was located predominately in the space to the Republic's galactic west, commonly called the Wrangel Length, however several independent colonies along the galactic south of the Aconcagua Core were included.

These planets had seceeded early on during the Sol Gamma Wave in 2601 and are now part of Republic territory.

Predominately these were Capecchi worlds, but several Prides settlements were also annexed, all of them against their will. 

The worlds that were annexed were:

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