Philosophers and historians debate not only the correct analysis of historiographic counterfactuals and their possible utilities for historiography and its philosophy but whether they can be more than speculative. This introduction presents the articles in the special issue on historiographic counterfactuals, show how they hang together and what are the main agreements and disagreements among the authors. Finally, it argues that the debate over historiographic counterfactuals spills over now into the debate about applied or practical historiography, what we can learn from historiography.