What happened in 998 AD?

Why was the battle at Marathon important to the Greeks? Who were the parents of the Greek goddess Selene? In book 13 of the odyssey how do Poseidon and Zeus interact? Why did people not want to be buried underground in the olden days? Were slaves allowed to vote in ancient Athens? Why did fifth-century BCE Greeks not see themselves as at the mercy of the gods? Was pegasus immortal? Who were the key people involved in the Neolithic revolution? What was Apollo's role in the Trojan war? Did Hermes have a wife the god? Who is the greek god of fashion? How did Datis. The Persian king Cyrus the Great change history? Who was athenas husband or lover? Why is Artemis important in Greek mythology? Who did the most work and who benefited from that work in ancient rome? How did the geography of rome affect its history? What are some things the Aztec invented or popularized? Why was the flushing toilet important in Elizabethan? Who is stronger perseus or Hercules? Who is the patron saint of history?