In recent years, Australia has been embroiled in an effort to cull kangaroos -- this year alone, it's expected to kill over a million of them in an effort to protect endangered species in its grasslands. While the mass culling has sparked outrage among animals rights activists, waging war on its fauna is nothing new for Australia. In fact, Australia has been trying to subdue its animals for decades, and the most infamous historical attempt was an utter disaster.