Trivia: What Greek landmass technically became an island in 1893?
Thessaly
Thrace
Epirus
Peloponnese
The correct answer is Peloponnese
So why is this answer correct? : Completed in 1893 and stretching only four miles, the Corinth Canal provides a watery connection across the narrow isthmus between the Ionian and Aegean seas, which effectively separates the Peloponnese peninsula from central Greece. Although constructed in the modern age, the idea for a canal across the isthmus was on the minds of the ancient Greeks as early as the seventh century BCE.