6. Umberto and Umberto
King Umberto I of Italy once sat down for a meal and found himself staring at his own double; the restaurant owner not only looked just like him but shared his name, birthdate, hometown, and even had a wife with the same name.
Their lives mirrored each other in strange ways, right down to key milestones happening on the same days. Both men died by gunfire on the exact same day, sealing their mysterious bond in history.