Multiple reasons are given.
Himura Kenshin was created in 1994.
kenshin
The duration of Rurouni Kenshin is 1.5 hours.
At first Kenshin's name was Shinta, but Hiko Seijuro named him Himura Kenshin when he started to teach him hiten mitsurugi ryu.
Kenshin Kawakami was born on June 22, 1975.
Kenshin Kawakami was born on June 22, 1975.
Uesugi Kenshin was born on February 18, 1530.
Uesugi Kenshin was born on February 18, 1530.
Rurouni Kenshin was created on 1996-10-10.
The series after Rurouni Kenshin is Buso Renkin. It is a manga created by Nobuhiro Watsuki, the same author behind Rurouni Kenshin. Buso Renkin follows the story of a high school boy who becomes involved in alchemy and battles against supernatural creatures.
Kenshin Himura married twice. Kenshin first married Yukishiro Tomoe when he was still an assassin. After Tomoe's death, Kenshin stayed single for a number of years until he met Kamiya Koaru and eventually married her.
"Rurouni Kenshin" is written and illustrated by it's creator Nobuhiro Watsuki .