The Unparalleled Adventure of One Hans Pfaall was created in 1835-06.
"The Unparalled Adventure of One Hans Pfaall" published in 1835 is considered to be a science fiction story. It does have elements of science fiction as far as they would go in the early 1800s. Hans Pfaall takes a ballon trip to the moon where there are strange looking people who communicate by telepathy.
Edgar Allan Poe is credited with inventing the modern detective fiction genre with his story "The Murders in the Rue Morgue," featuring the detective C. Auguste Dupin. He is also considered a pioneer in the development of science fiction for his tale "The Unparalleled Adventure of One Hans Pfaall," which involves a trip to the moon using a balloon.
One or two of his short stories has sci-fi overtones- descent into the Maelstrom and the Narrative of A Gordon Pym. He also did a story about a fictional balloon voyage ( sci fi by the standards of the time) that was done under an assumed name.
Hans Herr was created in 1974.
Hans Sikorski was created in 1935.
Pawan Hans was created in 1985.
Hans Heiling was created in 1833.
Hans Moleman was created in 1991.
Jal Hans was created in 2010.
The Hans India was created in 2011.
Hans Landa was created in 2009.
Chez Hans was created in 1968.