Explore Civil War genealogy records and history at these top 10 online destinations. Plus: State-by-state Civil War websites and resources for offline research.

Great research resources from the US government.

Great places to look for free genealogy records.

Bring good fortune to your family history search with our 13th annual collection of the 101 Best Websites for genealogy.

Whether your Civil War ancestor served in blue or gray, you can reveal his part in our nation's epic struggle. Our nine research steps will lead the charge.

Your ancestor's birth date tells you what wars he may have fought in.

Launch an offensive to discover your family's military history — but first, arm yourself with our guide to records and resources.

The Civil War Preservation Trust unveils its annual report on the country's 10 most threatened Civil War sites.

The places where our ancestors fought and died during the Civil War are quickly being wiped out by strip malls, parking lots and roadways.

As orderly as the soldiers therein, military records seem ideally suited for online research. Though military documents can be found in many of the databases in this year's 101 list, sites in this section are especially useful for finding your ancestors' service records and exploring the wars they fought.