le titanic was a cruise ship that decided it wanted to become one with the fishes, becoming submarine

da titanic was a zoo that sunk because a chicken pecked too much at the wood

It was unsinkable, just as the news articles said, and the iceberg had no effect on it.

Something 12,500ft below caught its attention and it couldn't resist. Coincidentally after the iceberg

The Titanic was a special limited time legendary pokemon with both Steel and Water type, it sank when it went against another special legendary pokemon which we don't know the name of only his type, it was a massive Ice and Ground type, all of this was available in the pokemon manga from 1816 and it has faded into obscurity ever since.

The Titanic is a War Machine Created by the Infamous Orc Role, At Orc Time 6:09 am, the Titanic was Hacked by a Being Known as One of the Only People Displayed in 2D in this 3D Universe, Ended up Attacking Everything Nearby, But the Orcs are Strong Enough to Control the Titanic, Because Being Impossible to Un-Hack since the Being Have Unlimited Power, the Orcs Decided to Yeet their Own Creation into the Sand Ocean

The Titanic was a vast bottom-wing conspiracy (conglomerating such diverse groups as the Gnomes, the Stonecutters […who keep the Martians under wraps {Go, Homer}], and the Boy Sprouts) to rule the world before bedtime.

It founded and sank [any day now 🤞 per the Futarians ] on the critical thinking skills instilled in the younger generation by non-performanced based public education.
(After the counter [top-wing] confederacy repurposed COMINT social espionage resources to spread disguised Darwin Award applications.)

As to how, the Travelers confirm it was with neither a bang, nor a wimper, but with a protracted whinge…

It had to many rubber ducky's

It sank for the memes.