Complex sentence: In 997 CE, Sultan Mahmud Ghaznavi, took over the Ghaznavid dynasty empire established by his father, Sultan Sebuktegin, In 1005 he conquered the Shahis in Kabul in 1005, and followed it by the conquests of Punjab region.
Split into simpler sentences: In 997 CE, Sultan Mahmud Ghaznavi, took over the Ghaznavid dynasty empire established by his father, Sultan Sebuktegin. He conquered the Shahis in Kabul in 1005, and followed it by the conquests of Punjab region.