'Arthur,' the longest-running kids animated series, is ending
>the Longest-Running Kids Animated Series in HistoryThere are at least 4 still in production animes which are all longerBut I guess "history" = US historySazea-san 1969 https://myanimelist.net/anime/2406/Sazae-sanAnpanman 1988 https://myanimelist.net/anime/1960/Sore_Ike_AnpanmanShin-chan 1992 https://myanimelist.net/anime/966/Crayon_Shin-chanNintama Rantaro 1993 https://myanimelist.net/anime/1199/Nintama_Rantarou