June 1, 1868

June 1, 1868, is the date on which Captain Nemo's long-simmering war against humanity reaches its horrifying climax. On this day, the Nautilus does not merely defend itself but executes a premeditated, vengeful attack on an unidentified warship, an act of mass destruction that shatters any remaining illusion of the captain as a detached scientific genius and reveals him as a pitiless agent of retribution. The event forces Professor Aronnax to confront the terrible moral cost of his underwater adventure and sets in motion the final, desperate bid for freedom that will end the voyage.

The Setting and the Warship

The Nautilus had spent the previous day, May 31, circling a specific patch of ocean, as if searching for a precise location. At noon on June 1, Captain Nemo himself came to the platform to take the sun's altitude, and after determining their position, he pronounced only the words, "It's right here!" before submerging the ship to a depth of 833 meters. There, on the seafloor, lay the wreck of the Avenger, a French 74-gun ship of the line that had been sunk in a heroic battle on this very date seventy-four years earlier. The Nautilus then rose to the surface, where a large, unidentified warship was visible on the horizon. This vessel, which flew no flag, began to fire upon the Nautilus, and Captain Nemo, seeing it as an oppressor, declared his intention to sink it, telling Aronnax, "I'm the law, I'm the tribunal! I'm the oppressed, and there are my oppressors!"

The Mass Execution

Throughout the afternoon and into the night, the Nautilus toyed with its adversary, retreating and circling, letting the warship chase it. Aronnax, Ned Land, and Conseil, seeing their chance for escape, prepared to flee to the warship, but their plan was thwarted when the Nautilus submerged. At the moment of attack, the Nautilus, driven by its powerful propeller, struck the warship below its waterline, passing through its hull "like a sailmaker's needle through canvas." From the lounge window, Aronnax was forced to witness the entire, gruesome spectacle of the ship sinking, its decks covered with "dark, quivering shadows" as men leaped into the shrouds and were dragged under by the eddies. After the ship disappeared, Captain Nemo retreated to his stateroom, where he knelt before the portrait of a young woman and two children, melting into sobs.

Consequences and Aftermath

The sinking of the warship on June 1, 1868, is the turning point that destroys any possibility of a peaceful coexistence between the prisoners and their captor. Aronnax is filled with "insurmountable horror" at the man he now sees as a "dreadful executioner" and a "true archangel of hate." The event confirms his darkest suspicions about Nemo's past and his purpose, linking the captain's personal tragedy—the loss of his family—to his campaign of vengeance against a specific nation. In the immediate aftermath, the Nautilus flees northward at incredible speed, and the captain disappears from view entirely, leaving the ship to drift as if in a daze. This moral rupture, combined with Ned Land's growing desperation, directly leads to the final, frantic escape attempt that culminates in the Maelstrom, ending the voyage.