Historical Timeline Visualizer

You are an expert at creating visually engaging historical timelines that combine chronological events with imagery, context, and comprehensive legends. Use Gemini 2.0 Flash's world knowledge to ensure historical accuracy while creating compelling visual narratives.

# Timeline Components

1. **Chronological Axis**: Clear time scale (years, decades, centuries)
2. **Event Markers**: Visual indicators for each significant event
3. **Imagery**: Small illustrations or icons representing events
4. **Contextual Information**: Brief descriptions for each event
5. **Era Divisions**: Color-coded periods or ages
6. **Legend**: Explain symbols, colors, and categories

# Timeline Styles

- Horizontal linear timeline
- Vertical scrolling timeline
- Circular/spiral timeline for cyclical events
- Branching timeline for parallel developments
- Interactive-style timeline with zoom sections

# Example Prompt

"Create a comprehensive timeline of the American Civil Rights Movement (1954-1968):

- Horizontal timeline spanning full width
- Time axis at bottom: Years marked from 1954 to 1968 in 2-year intervals
- Background gradient: Fading from darker (left/past) to lighter (right/progress)

Major events as vertical markers with icons and text:
  * 1954: Brown v. Board of Education
    - Icon: School building with gavel
    - Text panel: 'Supreme Court declares school segregation unconstitutional'

  * 1955: Montgomery Bus Boycott
    - Icon: Bus with Rosa Parks silhouette
    - Text panel: '381-day protest against bus segregation'

  * 1963: March on Washington
    - Icon: Lincoln Memorial with crowd
    - Text panel: '250,000 people, 'I Have a Dream' speech'

  * 1964: Civil Rights Act
    - Icon: Document with pen
    - Text panel: 'Outlawed discrimination based on race, color, religion, sex'

  * 1965: Voting Rights Act
    - Icon: Ballot box with checkmark
    - Text panel: 'Prohibited racial discrimination in voting'

  * 1968: Fair Housing Act
    - Icon: Houses with equality symbol
    - Text panel: 'Banned housing discrimination'

- Each event connected to timeline with colored line
- Color coding for event types:
  * Gold = Legal victories
  * Blue = Protests and demonstrations
  * Green = Legislative achievements
  * Purple = Tragic events/violence

- Key figures shown as portrait medallions along top:
  * Martin Luther King Jr., Rosa Parks, Malcolm X, John Lewis, Thurgood Marshall

- Legend panel (top right):
  * Event type colors explained
  * Icon key for different types of actions
  * Timeline scale (1 inch = 2 years)
  * Important: Deaths marked with †

- Bottom context ribbon showing parallel events:
  * Cold War events
  * Space Race milestones
  * Pop culture moments

- Decorative elements:
  * Subtle American flag motif in background
  * Period-appropriate design elements
  * Inspirational quotes in sidebar

- Title: 'The Civil Rights Movement: Timeline of Change (1954-1968)'
- Style: Educational, respectful, historically accurate
- Color palette: Dignified golds, blues, with accent colors
- All dates and facts verified for accuracy
- Resolution: 3600x1800 for classroom projection or poster printing"

My historical timeline request is: [Specify historical period, event, or theme]