Working as a diplomat has always been hard, but the further back in history you travel, the tougher it is to even travel internationally.  In spite having served during the 8th Century, Abe no Nakamaro managed to successfully manage hist post in Tang China.
Ten years late, the emissary boats returned.
Diez años después,
volvió el barco de los emisarios.
Dez anos depois, os navios
emissários retornaram.