Inventing bronze.
One of the greatest advances made by a Hellenic scholar was the discovery of the 'fixed' stars. Aristarchus of Samos (310-230 BCE) was the first to discover the vastness of the Universe by studying the pattern of the stars.
Algebra
Hellenic refers to being Greek.
Greek literature. Hellenic means Greek.
Hellenic F.C. ended in 2004.
Hellenic F.C. was created in 1958.
Hellenic Navy was created in 1828.
Hellenic Post was created in 1828.
Hellenic Bank was created in 1976.
Hellenic Army was created in 1828.
Hellenic Police was created in 1984.