Cleopatra reigned over Egypt. She was able to reign because Julius Caesar established her on the throne and left Roman troops in Egypt to see that she stayed on the throne.
Cleopatra was a Greek who ruled over Egypt. She was the last pharoh of Egypt.
Cleopatra's reign came to an end in 30 BC when Octavian entered Alexandria.
Cleopatra reigned for seventeen years.
No, there were no inventions of note during Cleopatra's reign.
Alexandria was the capital of Egypt during Cleopatra's reign. In fact it was the capital for the entire dynasty of the Ptolemies.
Cleopatra ruled for 17 years.
Cleopatra reigned in Egypt and for a while the surrounding territories.
From 51 to 30 BCE.
No. There are no inventions credited to Cleopatra nor any inventions accredited to her reign.
Cleopatra reigned in the Ptolemaic dynasty, established by her ancestor Ptolemy I Soter.
There are/were no artifacts unique to Cleopatra. In fact, there are very few traces of her reign.