 If you liked
Ginga Eiyuu Densetsu
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 ...then you might like
Senjou no Valkyria
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This anime is what LoGH would be if it was fought on land with the addition of superhumans. Exception being that Maximilian here is an idiototic megalomania, while Reinhard kept his cool most of the time. As for the other side (Gallia/Welkin), is mostly similar to the Alliance in LoGH.
In short, LoGH is a much longer and more serious version of the short and less serious Valkyria Chronicles.