Chronology
| Year | Events |
|---|---|
| 1841 | Alexander Sparks is born |
| 1847 | Jack Sparks is born |
| 1884-5 | Events of The List of Seven |
| 1885 | Jack and Alexander Sparks seemingly die at Reichenbach Falls |
| 1889 | Doyle visits Reichenbach Falls |
| 1894 | Events of The Six Messiahs |
Read more about this topic: The Six Messiahs