The Milky Way is an environment rich with satellite galaxies, stellar streams and accreted systems. Encoded in these structures is the formation and evolution of the Galaxy through cosmic time. Here, I will talk about some recent insights from these Milky Way satellite galaxies, including a discovery of one of the most metal-poor stars found in an external galaxy. Finally I will talk about the role of upcoming spectroscopic surveys like 4DWARFS, which will increase the number of stars with detailed abundance information in dwarf galaxies and stellar streams by several orders of magnitude.
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