Between the years of 3973 BBY and 3965 BBY, in the initial years of the Mandalorian Wars, following their capture of the Quermia system, the Mandalorian Neo-Crusaders launched an invasion of the Kaelta system. Following this, the Mandalorians conducted a raid on the Florn system from their position in the Kaelta system.
This battle receives only a single reference within The Essential Atlas. Its presence is indicated on a galactic map illustrating the progression of the Mandalorian Wars, instead of being detailed in the text. Within the Atlas, the Kaelta system is referred to as the "Toola system", named after the planet Toola located within it.