The Army of Jill is the oldest part of the Military of Jill. Founded in 1856, it has fought in many major wars and military operations. Since its founding, over 4,000,000 have served and only 56,000 have died. Currently there are 3.5 million registered soldiers, over 1 million are battle robots. It is the third largest army in Floyd, trailing Easten and Slagen.

The Army's first major operation was in Floyd War I when the Northern Territory invaded Easten and Slagen. Jill declared war in 1890 and helped defeat the dictatorship 11 years later in 1901.

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