Complex sentence: Fort Omaha, originally known as Sherman Barracks and then Omaha Barracks, is an Indian War-era United States Army supply installation where the important trial of "Standing Bear v. Crook" was held.
Split into simpler sentences: Fort Omaha, originally known as Sherman Barracks and then Omaha Barracks, is an Indian War-era United States Army supply installation. This is where the important trial of "Standing Bear v. Crook" was held.