Timeline - Wikipedia

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2024-10-24 23:30:05

A timeline is a list of events displayed in chronological order.[ 1] It is typically a graphic design showing a long bar labelled with dates paralleling it, and usually contemporaneous events.

Timelines can use any suitable scale representing time, suiting the subject and data; many use a linear scale, in which a unit of distance is equal to a set amount of time. This timescale is dependent on the events in the timeline. A timeline of evolution can be over millions of years, whereas a timeline for the day of the September 11 attacks can take place over minutes, and that of an explosion over milliseconds.[ 2] While many timelines use a linear timescale—especially where very large or small timespans are relevant -- logarithmic timelines entail a logarithmic scale of time; some "hurry up and wait" chronologies are depicted with zoom lens metaphors.

More usually, "timeline" refers merely to a data set which could be displayed as described above. For example, this meaning is used in the titles of many Wikipedia articles starting "Timeline of ..."