The series premiered in 1958*. Ongoing.
The dominating character is Tex Willer, who lived
on his father's ranch in Texas until the father was killed
during a robbery. Tex tracked down the killers, and since then
he has dedicated his life to help people against the villains of
the Old West.
series as such has been published in more than 1100 issues
covering many versions, but the first version started in 1948 as
a strip comic book titled Collana del Tex (Collana is Italian
for 'collection of similar texts').