Choose your history niche
"History" is too broad to rank for or to build a loyal readership around. The most successful history blogs focus on a specific era (Victorian England, Ancient Rome, World War II), a geographic region (Ottoman history, African history, Latin American history), a theme (military history, social history, history of science), or an angle (accessible history for non-academics, primary source analysis, underrepresented histories).
The narrower your focus, the more easily you become the go-to resource. A blog about the social history of the Ottoman Empire will attract a smaller but more dedicated audience than a blog that covers all of world history — and it will rank far more easily in search engines because the competition is narrower and the content is more specific.
Ask yourself: what period, region, or theme do I know deeply enough to write about with authority and enthusiasm? That intersection of knowledge and genuine interest is where the best history blogs are built.