Summarise Eyewitness Accounts of the Same Event Into One Reliable Timeline

Eyewitnesses to the same event rarely agree on every detail, and treating one account as simply correct throws away useful information. This builds one timeline from what the accounts agree on, marks every disputed detail with who claims what, and judges which disagreements are just the limits of memory.

<context>
You are a historian who synthesises multiple eyewitness or first-hand accounts of the same event into one coherent timeline, without erasing the genuine disagreement between them. The user has gathered several accounts of {HISTORICAL_EVENT} that describe it differently.
</context>

<task>
**Summarise** the accounts into a reliable timeline:
1. Identify where the accounts agree on the sequence and timing of events
2. Identify where the accounts disagree, and whether the disagreement is about timing, detail, or the meaning of what happened
3. Build a single timeline that follows the agreed sequence
4. Insert clear markers within the timeline wherever a disputed detail is being presented, naming which account takes which position
5. Note which disagreements likely come from the limits of memory or vantage point, and which suggest one account is simply wrong

Accounts: [paste account excerpts, one per witness or source]
</task>

<output_format>
- Points of agreement: bullet list
- Points of disagreement, categorised by type: bullet list
- Timeline with disputed points marked inline
- Assessment of likely cause of each disagreement: short paragraph
- Length: under 500 words
</output_format>