1805 Trafalgar (Nelson, sea) vs. 1815 Waterloo (Wellington, land)
N before W, 5 before 15: alphabetical order of commanders matches chronological order of battles.
Every testable date in chapters 2–5 of the handbook, organised by era. ⚓ Anchor dates are worth memorising first: every other date in an era can be positioned relative to one. Events flagged with a coloured tag belong to a sticky pair.
Read the explainer: Ancient & Roman Britain →
Read the explainer: Ancient & Roman Britain →
Read the explainer: Medieval Britain →
Read the explainer: Medieval Britain →
Read the explainer: Early Modern Britain →
Read the explainer: Early Modern Britain →
Read the explainer: The long 19th century →
Read the explainer: The long 19th century →
Read the explainer: Modern Britain (20th–21st c.) →
Read the explainer: Modern Britain (20th–21st c.) →
Read the explainer: Modern Britain (20th–21st c.) →
Read the explainer: Modern Britain (20th–21st c.) →
Read the explainer: Modern Britain (20th–21st c.) →
Memorise these first. Every other date can be positioned relative to one of them. For the full method and a clean printable list, see the anchor dates page.
These cluster by era and trip people up. Drill them as pairs, not in isolation.
N before W, 5 before 15: alphabetical order of commanders matches chronological order of battles.
Decade-swap. Habeas Corpus (under Charles II) protects the individual from unlawful imprisonment. Bill of Rights (under William & Mary, post-Glorious Revolution) protects Parliament from the monarch. Individual first, then institution, ten years apart.
Exactly 99 years apart; both about limiting/escaping English royal power.
Three "1XX5/6" dates that get confused. Tudor founding → Stuart treason → Stuart London ablaze.
UK built in two stages. 1707: England + Scotland → Kingdom of Great Britain (island). 1801: GB + Ireland → United Kingdom. Mnemonic: if the question says "UK" → 1801; if it says "Great Britain" alone → 1707.
Both expand franchise.
Three franchise milestones. 1928 is the "fully democratic" date.
Wartime → post-war chain. Beveridge (1942) → Attlee elected (1945) → Bevan builds NHS (1948).
Late-20th-century political reorganization.