21 Titanic with Leonardo DiCaprio was so popular that 7% of American teen girls had seen it twice within five weeks. The phenomenon of girls repeatedly watching the film was nicknamed “Leo-Mania”.

That angelic face does not require an explanation, does it?(source)

22 This is the first movie that saw two different actors getting nominated for Academy awards, for playing the same role. Kate Winslet and Gloria Stuart were nominated (Best actress and Best Supporting actress respectively) for the role of Rose.

Titanic was the first movie to receive two Academy Award nominations for the same character (Rose played by Kate Winslet & Gloria Stuart).(source)

23 Most of the Ocean that the Extras were jumping into was a big 3 feet deep pool!

James Cameron did not go into a detailed pitch, he just said that Titanic is the story of Romeo and Juliet aboard a doomed ship, 20th-century fox did not want to lose Cameron so they agreed to fund the movie. (source)

25 In the original script, Cal was supposed to find Rose in the Carpathia. Rose was supposed to tell him to let her mother know that she perished in the sinking of the ship and that he would leave her alone for the rest of her life.

James Cameron had envisioned a different ending to the movie but the paucity of time and budget forced him to alter the script.(source)