killing the 1st born son of every household
The third plague, lice.
The plague is an older disease, but the first Great Plague occurred in the 14th century in Europe, long after the first crusades.
No
The first major outbreak of bubonic plague in Europe may have been the Plague of Justinian, in 541-542. It might also have been the Black Death of 1347-1351. We not know for sure, which, if either of these, was the first because we do not know for certain that they were bubonic plague, and we do not know that some earlier plagues were not.
Because they are very wealthy
Leadership over the two kingdoms
In the final plague in ancient Egypt, all the firstborn sons of the Egyptians were killed, while the Israelite firstborn sons were spared by following instructions to mark their doorposts with the blood of a sacrificial lamb.
Egypt was first ruled by the Pharaohs
The pharaoh believed that he was the sun god's son.
The plague of Justinian is believed to be the first recorded instance of the bubonic plague. The symptoms include necrosis of the hand, and swollen lymph glands. As the disease got worse, the lymph nodes could hemorrhage and become necrotic.
The plague is an older disease, but the first Great Plague occurred in the 14th century in Europe, long after the first crusades.
Pharaohs
In the 1500's and 1600's, but this is not the first plague.
Rats, fleas, and mice where mainly the first to get the plague and spread it around.
It is Pharaohs baker. In the dream interpreted by Joseph. After Pharaohs birthday party.
With contagious infections, it is impossible to trace to "Patient Zero", the very first patient to get the infection.
The animal that started the plague first was the rat. They had parasites in their skin and spread it to humans
The pharaohs of the first dynasty wore a double crown to symbolize their rule over upper and lower egypt