Original: After over 30 years of Mori control, in 1600 Horio Yoshiharu enters Izumo and Oki as the result of Battle of Sekigahara which Mori lost.
Simplified: After over 30 years of Mori control, in 1600 Horio Yoshiharu entered Izumo and Oki after the Battle of Sekigahara which Mori lost.