# Timeline

Events listed under time periods, grouped into sections.

## Examples

The playground samples for this type, rendered by Ondine when the documentation builds.

### Example 1

```mermaid
timeline
    title Timeline of the Hawaiian Islands
    section Older islands
        Kauaʻi : 5 million years old, Canyons, Sea <br>cliffs
        Oʻahu : 3 million years old, Diamond Head, Surf breaks
        Molokaʻi : 2 million years old, Fishponds, Tall cliffs
    section Younger islands
        Maui : 1 million years old, Haleakalā, Whale watching
        Hawaiʻi : Still growing, Mauna Kea, Kīlauea

```

### Example 2

```mermaid
timeline
        title Hawaiʻi's History Timeline
        section Voyagers
          1000 AD : Polynesian voyagers reach Hawaiʻi in sailing canoes
          1778 : Captain Cook lands on Kauaʻi.<br> Islanders and Europeans meet for the first time.
        section Kingdom
          1810 : King Kamehameha unites the islands. <br>They are ruled as one kingdom for the first time.
                  : Ships from around the world stop to trade.
          1882 : ʻIolani Palace is completed in Honolulu.<br> It soon has electric lights and telephones.
                  : Most people in the kingdom can read and write.

```

### Example 3

```mermaid
timeline
    title Timeline of Industrial Revolution
    section 17th-20th century
        Industry 1.0 : Machinery, Water power, Steam <br>power
        Industry 2.0 : Electricity, Internal combustion engine, Mass production
        Industry 3.0 : Electronics, Computers, Automation
    section 21st century
        Industry 4.0 : Internet, Robotics, Internet of Things
        Industry 5.0 : Artificial intelligence, Big data, 3D printing

```

### Example 4

```mermaid
timeline
        title England's History Timeline
        section Stone Age
          7600 BC : Britain's oldest known house was built in Orkney, Scotland
          6000 BC : Sea levels rise and Britain becomes an island.<br> The people who live here are hunter-gatherers.
        section Bronze Age
          2300 BC : People arrive from Europe and settle in Britain. <br>They bring farming and metalworking.
                  : New styles of pottery and ways of burying the dead appear.
          2200 BC : The last major building works are completed at Stonehenge.<br> People now bury their dead in stone circles.
                  : The first metal objects are made in Britain.Some other nice things happen. it is a good time to be alive.


```

### Example 5

```mermaid
timeline
        title MermaidChart 2023 Timeline
        section 2023 Q1 <br> Release Personal Tier
          Bullet 1 : sub-point 1a : sub-point 1b
               : sub-point 1c
          Bullet 2 : sub-point 2a : sub-point 2b
        section 2023 Q2 <br> Release XYZ Tier
          Bullet 3 : sub-point <br> 3a : sub-point 3b
               : sub-point 3c
          Bullet 4 : sub-point 4a : sub-point 4b

```

### Example 6

```mermaid
---
config:
  logLevel: 'debug'
  theme: 'default'
  themeVariables:
    cScale0: '#ff0000'
    cScaleLabel0: '#ffffff'
    cScale1: '#00ff00'
    cScale2: '#0000ff'
    cScaleLabel2: '#ffffff'
---
       timeline
        title History of Social Media Platform
          2002 : LinkedIn
          2004 : Facebook : Google
          2005 : YouTube
          2006 : Twitter
          2007 : Tumblr
          2008 : Instagram
          2010 : Pinterest


```