Mythology
The leader of the norse pantheon
Odin
The Mongol-Turkic conqueror that plunged the Ottoman Empire into a period of chaos
Timur
The language spoken by the Mexica tribe that founded Tenochtitlan
Nahuatl
The first planet in our solar system
Mercury
The urban fantasy series that plays in a world were greek mythology is real
Percy Jackson series
The greek goddess of fertility and agriculture
Demeter
The longstanding rival of the Roman Empire
The Sassanid Empire
The prime minister that replaces Cornelius Fudge in Harry Potter and the Half-Blood Prince
Rufus Scrimgeour
The battle were forces of the Abbassid Caliphate fought against force of the Tang Empire
Battle of Tarlas
The name of the process to synthetize Ammoniac
Haber-Bosch-Process
A story by H. P. Lovecraft about a doomed Antarctic expedition that finds ruins of an alien civilisation
At the Mountains of Madness