They are named later by historians to describe general trends rather than precise beginnings and endings
The American Plan offers guests the price of their room plus 3 meals per day during their stay. However, the historical origins of where this began is unknown to me at this time.
Joint effort by all services, but generally falls to the US Army.
It is said that the Romans used the "pig's head" formation against Boudicca and her forces. This was a vee shaped formation in which the Romans pushed into the attacking enemy with a wall of shields. The enemy could get into the spaces between the "vees" and then the back ranks of the Romans would turn and dispatch the entrapped enemy. However, the Roman were victorious not only because of their tactics, but of their discipline and training. War was their business, they knew what to do and how to do it. Their training and skill is what enabled less than 10,000 men to defeat a mob of 230,000 and slaughter 80,000 with only 400 losses.
In both periods of time, farmers encountered a lot of problems regarding pests and parasites. They also had to put up with a rise in unknown crop diseases.
On medieval maps, unexplored land was generally labeled, Terra Incognita, meaning unknown land.
The name Oroni is of African origin and is generally used for a girl's name. Its historical meaning is currently unknown.
Unknown, historical invention by accidental experimenting.
They are usually 1 or 12, though 2 is not unknown.
Thomas Hobbes' mother's name was unknown. She is not recorded in historical records.
during medieval periods, the cure for leprosy was unknown, and the treatment given was isolation.
This is unknown. Things like that are generally not known.
Alexander Henry the Elder's mother was unknown, as historical records do not provide information about her identity.
The exact date is unknown, although there are historical accounts of dog fights going back to the 1750s.
It is generally the same as normal flu but for unknown reasons can sometimes be deadly...
Depends where you are looking, In the Paleozoic it is generally bryozoans, brachiopods, and crinoids.
The American Plan offers guests the price of their room plus 3 meals per day during their stay. However, the historical origins of where this began is unknown to me at this time.
The person/small group is unknown, but the country generally credited as the sport's origin is England.