Breakout complex, Odds-on scenario, Stand At Mortain module

Alternate history typically implies at least a somewhat alternate reality, so that there are not just variant outcomes at points, but also variant conditions prevalent: which possibly are engendered by the evolving train of variance. "Against The Odds" categorization is evidence of expectations out of the ordinary. So "alternate history" might be applied to any attempt to "alter the course of history" as feared, expected or preconceived. Perceiving a projected course of action as "momentous" rather than crucial= (great expectations) "expecting great things"- Ollivander to occur (expect the unexpected)