Episode 64 of The Trigan Empire
Imperial Walkabout
aka Abdication
De troonsafstand (Dutch title)
The Abdication (Dutch title, translated)
Written by Mike Butterworth
Illustrated by Oliver Frey
Imperial Walkabout was originally published in 8 instalments in issues 792 (19 March 1977) to 799 (7 May 1977) of Look and Learn magazine.
It is reprinted in Volume 5 of The Rise and Fall of the Trigan Empire (Rebellion).
Links
Plot summary (Dutch)