They are numerous.
See the link below.
Among the more important were the Byzantine-Persian Wars, the Byzantine-Bulgarian Wars, the Arab conquest of North Africa, the Arab conquest of Spain, the Christian Reconquest of Spain, the Crusades, The Hundred Years War, the Wars of Scottish Independence, Crusades by the Teutonic Knights, the Albigensian Crusade, and various wars to defend against invading Turks.
The best known medieval religious wars were the Crusades, fought between Christians and Muslims, mostly in the Holy Land.
There were also other Crusades, such as the ones in Northern Europe carried on by the Teutonic Knights, and the Albigensian Crusade against French adherents of the Bogomil heresy
Also, there was the Arab conquest and the Christian reconquest of Spain.
Different people give different dates for the beginning of the Middle Ages, 400, 410, 476, and 500 are all commonly given. No matter which you pick, there was probably some war that was already going, and which continued for a while afterwards. There were probably a large number of wars we don't even have records of.
Your question is very vague. The medieval times (or middle ages) spanned the time between the fifth and 15th century, that is over a thousand years time. There were hundreds and hundreds of wars and conflicts during this time, and you would be better off looking at wars in specific areas you are interested in, such as in Britain, France Spain, etc..
Also you could check out the first link below, which has a list of all wars before 1000 c.e. and look at the wars after the fall of Rome (in 476)
as well as the second link, which is list of wars between 1000 and 1500 c.e.
In the middle ages, just like all other ages, wars were won by people who were the most skilled, most powerful, best connected, most underhanded, or luckiest.
Crusades is the name for the holy wars during the Middle Ages.
christains and Muslims who were European and middle eastern
I doubt anyone ever did an accurate study on this, but I would pick the Hundred Years' War as the most famous.
A knight needs a shield so that it can block things that are coming towards him. This is the Medieval wars.
They managed their estates, fought in wars and skirmishes, engaged in politics, and raised their families.
There were no dinosaurs in medieval times.
Medieval castles.
Many regions are considered to have had a medieval period. The region most commonly thought of in that regard is Europe, but India and Japan are also considered to have had medieval periods
The Crusades were religious wars fought in medieval times.
No. There was famine going around, usually living conditions were very poor, and it was a time of wars and corruption.
Warriors are usually men that fight in wars.'Warrior' is a term mainly used in the medieval times.
A knight needs a shield so that it can block things that are coming towards him. This is the Medieval wars.
as many as u want
They managed their estates, fought in wars and skirmishes, engaged in politics, and raised their families.
kill people in many effective and particularly unpleasant ways.
There were 9 Crusades
There were no dinosaurs in medieval times.
The plague, and wars.
There is no exact number as to how many medieval dungeons there were in the world. almost every castle had a dungeon in the medieval times. The dungeons were sometimes used to house prisoners.
There are many reports of games that resembled football (soccer) during medieval times and before.