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A timeline is a display of a list of events in chronological order.[1] It is typically a graphic design showing a long bar labelled with dates alongside itself and usually events. Gantt Chart
Gantt Chart
is a form of timeline used in project management Timelines can use any time scale, depending on the subject and data. Most timelines 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 an explosion over milliseconds.[2] While most timelines use a linear timescale, for very large or small timespans, logarithmic timelines use a logarithmic scale to depict time.

Contents

1 Types 2 Uses of timelines

2.1 In historical studies 2.2 In natural sciences 2.3 In project management

3 See also 4 References 5 External links

Types[edit] There are different types of timelines

Text timelines, labeled as text Number timelines, the labels are numbers, commonly line graphs Interactive, clickable, zoomable

There are many methods of visualizations for timelines. Historically, timelines were static images and generally drawn or printed on paper. Timelines relied heavily on graphic design, and the ability of the artist to visualize the data. Timelines, no longer constrained by previous space and functional limitations, are now digital and interactive, generally created with computer software. ChronoZoom
ChronoZoom
is an example of computer-aided interactive timeline software. Uses of timelines[edit]

Nature timeline

view • discuss • edit

-13 — – -12 — – -11 — – -10 — – -9 — – -8 — – -7 — – -6 — – -5 — – -4 — – -3 — – -2 — – -1 — – 0 —

cosmic expansion

Earliest light

cosmic speed-up

Solar System

water

Single-celled life

photosynthesis

Multicellular life

Land life

Earliest gravity

Dark energy

Dark matter

Earliest universe (−13.80)

Earliest stars

Earliest galaxy

Earliest quasar/sbh

Omega Centauri
Omega Centauri
forms

Andromeda Galaxy
Andromeda Galaxy
forms

Milky Way Galaxy spiral arms form

Alpha Centauri
Alpha Centauri
forms

Earliest Earth (−4.54)

Earliest life

Earliest oxygen

Atmospheric oxygen

Earliest sexual reproduction

Cambrian explosion

Earliest humans

L i f e

P r i m o r d i a l

Axis scale: billion years Also see: Human
Human
timeline and Life timeline

Main article: List of timelines Timelines are often used in education to help students and researchers with understanding the order or chronology of historical events and trends for a subject. When showing time on a specific scale on an axis, a timeline can be used to visualize time lapses between events, durations (such as lifetimes or wars), and the simultaneity or overlap of spans and events. In historical studies[edit] Timelines are particularly useful for studying history, as they convey a sense of change over time. Wars and social movements are often shown as timelines. Timelines are also useful for biographies. Examples include:

Timeline
Timeline
of the American Civil Rights Movement Timeline
Timeline
of European exploration Timeline
Timeline
of imperialism Timeline
Timeline
of Solar System exploration Timeline
Timeline
of United States history Timeline
Timeline
of World War I Timeline
Timeline
of religion

In natural sciences[edit] Timelines are also used in the natural world and sciences, for subjects such as astronomy, biology, and geology:

2009 flu pandemic timeline Chronology
Chronology
of the universe Geologic time scale Timeline
Timeline
of evolutionary history of life

In project management[edit] Another type of timeline is used for project management. In these cases, timelines are used to help team members to know what milestones need to be achieved and under what time schedule. For example, in the case of establishing a project timeline in the implementation phase of the life cycle of a computer system.

See also[edit]

Chronology ChronoZoom
ChronoZoom
is an open source project for visualizing the timeline of Big History Detailed logarithmic timeline Human
Human
timeline Life timeline List of timelines Living graph Logarithmic timeline Sequence of events Synchronoptic view Timecode Timestream Timeline
Timeline
of world history

References[edit]

^ Grafton, Anthony; Rosenberg, Daniel (2010), Cartographies of Time: A History
History
of the Timeline, Princeton Architectural Press, p. 272, ISBN 978-1-56898-763-7  ^ plarson (2016-09-01). "Anomaly Updates". SpaceX. Retrieved 2017-07-16. 

External links[edit]

Wikimedia Commons has media related to Timeline.

Look up timeline in Wiktionary, the free dictionary.

British Library interactive timeline Port Royal des Champs museum timeline

v t e

Time

Key concepts

Past

history deep time

Present Future Futures studies Far future in religion Far future in science fiction and popular culture Timeline
Timeline
of the far future Eternity Eternity
Eternity
of the world

Measurement and standards

Chronometry

UTC UT TAI Unit of time Planck time Second Minute Hour Day Week Month Season Year Decade Century Millennium Tropical year Sidereal year Samvatsara

Measurement systems

Time
Time
zone Six-hour clock 12-hour clock 24-hour clock Daylight saving time Solar time Sidereal time Metric time Decimal time Hexadecimal time

Calendars

Gregorian Julian Hebrew Islamic Lunar Solar Hijri Mayan Intercalation Leap second Leap year

Clocks

Horology History
History
of timekeeping devices Main types

astrarium atomic

quantum

marine sundial sundial markup schema watch water-based

Chronology History

Astronomical chronology Big History Calendar
Calendar
era Chronicle Deep time Periodization Regnal year Timeline

Religion Mythology

Dreamtime Kāla Kalachakra Prophecy Time
Time
and fate deities Wheel of time Immortality

Philosophy of time

A-series and B-series B-theory of time Causality Duration Endurantism Eternal return Eternalism Event Multiple time dimensions Perdurantism Presentism Static interpretation of time Temporal finitism Temporal parts The Unreality of Time

Human
Human
experience and use of time

Accounting period Chronemics Fiscal year Generation time Mental chronometry Music Procrastination Punctuality Temporal database Term Time
Time
discipline Time
Time
management Time
Time
perception

Specious present

Time-tracking software Time-use research Time-based currency
Time-based currency
(time banking) Time
Time
value of money Time
Time
clock Timesheet Yesterday – Today – Tomorrow

Time
Time
in

Geology

Geological time

age chron eon epoch era period

Geochronology Geological history of Earth

Physics

Absolute time and space Arrow of time Chronon Coordinate time Imaginary time Planck epoch Planck time Proper time Rate Spacetime Theory of relativity Time
Time
dilation

gravitational

Time
Time
domain Time
Time
translation symmetry Time
Time
reversal symmetry

other subject areas

Chronological
Chronological
dating Chronobiology Circadian rhythms Dating methodologies in archaeology Time
Time
geography

Related topics

Carpe diem Clock
Clock
position Space System time Tempus fugit Time
Time
capsule Time
Time
complexity Time
Time
signature Time
Time
travel

Time
Time
portal Category

v t e

Chronology

Key topics

Archaeology Astronomy Geology History Paleontology Time

Eras Epochs

Calendar
Calendar
eras

Human
Human
Era Ab urbe condita Anno Domini / Common Era Anno Mundi Byzantine era Seleucid era Spanish era Before Present Hijri Egyptian Sothic cycle Hindu units of time
Hindu units of time
(Yuga) Mesoamerican

Long Count Short Count Tzolk'in Haab'

Regnal year

Canon of Kings Lists of kings Limmu

Era names

Chinese Japanese Korean Vietnamese

Calendars

Pre-Julian / Julian

Pre-Julian Roman Original Julian Proleptic Julian Revised Julian

Gregorian

Gregorian Proleptic Gregorian Old Style and New Style dates Adoption of the Gregorian calendar Dual dating

Astronomical

Lunisolar Solar Lunar Astronomical year numbering

Others

Chinese sexagenary cycle Geologic Calendar Hebrew Iranian Islamic ISO week date Mesoamerican

Maya Aztec

Winter count
Winter count
(Plains Indians)

Astronomic time

Cosmic Calendar Ephemeris Galactic year Metonic cycle Milankovitch cycles

Geologic time

Concepts

Deep time Geological history of Earth Geological time units

Standards

Global Standard Stratigraphic Age (GSSA) Global Boundary Stratotype Section and Point (GSSP)

Methods

Chronostratigraphy Geochronology Isotope geochemistry Law of superposition Luminescence dating Samarium–neodymium dating

Chronological dating

Absolute dating

Amino acid racemisation Archaeomagnetic dating Dendrochronology Ice core Incremental dating Lichenometry Paleomagnetism Radiometric dating

Radiocarbon Uranium–lead Potassium–argon

Tephrochronology Luminescence dating Thermoluminescence dating

Relative dating

Fluorine absorption Nitrogen dating Obsidian hydration Seriation Stratigraphy

Genetic methods

Molecular clock

Linguistic methods

Glottochronology

Related topics

Chronicle New Chronology Periodization Synchronoptic view Timeline Year
Year
zero Circa Floruit Terminus post quem ASPRO chronology

Portal

Authority control

GND: 4190631-7

History
History
portal

.