Great Massacre on Keldyx Prime was the darkest and the most inauspicious battle of the Keldevian history. At this battle numberless Keldevians were killed and those that were survived were executed with various methods. Galactic Empire captured the capital of Keldevians, Keldyx Prime and caused the bloody destruction of Keldevian Republic from Imperials. Although many other Keldevians helped Palpatine betraying their government and were affiliated with Galactic Empire.