Like the vast majority of monumental events in world history, the U.S. Civil War occurred before the dawn of the World Wide Web and therefore wasn’t blogged. But it’s never too late to start blogging about something significant. At the New York Times‘ Disunion — part of its Opinionator commentary hub — a team of distinguished historians tells the story of the war that tore the country apart, battle by battle, decision by decision, human encounter by human encounter. This isn’t the kind of blog you skim; its long-form texts, documents and photographs deserve your full attention.