Teaching article

A historical timeline should say what its spacing means

Place events using checked date information and consistent intervals.

A sequence diagram and a proportionally spaced timeline serve different purposes. Verify the dates and label the convention so a neat row of events does not accidentally imply equal intervals between them.

To hand: A small sourced event set.

  1. Verify dates.
  2. Mark intervals.
  3. Position events.

Check the dates before choosing the layout

Mark whether spacing represents elapsed time or simply sequence. Both formats can be useful when their conventions are explicit.

Equal spacing on a list does not necessarily represent equal time.

Label diagrams that are not to scale.

What does spacing mean here? Use a pre-marked timeline.

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