The Battle of Antietam has been called the bloodiest single day in American history. By the end of the evening, 17 September 1862, an estimated 4,000 American soldiers had been killed and over 18,000 wounded in and around the small farming community of Sharpsburg, Maryland. -- Preface.

Antietam : an overview -- Further readings -- Chronology -- Order of Battle, 17 September 1862 -- Casualties -- Organization -- Tactics -- Small Arms -- Artillery -- Logistics -- Selected Biographical sketches -- Suggested stops.