Answer: <em>A Trip to the Moon</em>
Elaborate: George Méliès's film <em>A Trip to the Moon</em> is often considered the first sci-fi movie.
Answer:
Although Titanic's main characters Rose and Jack were entirely fictional, thus there was no such romance between a first-class woman and a third-class man, they were inspired to an extent by some real-life people, though Rose's inspiration has no connection to the Titanic.
Explanation: