Because St. Augustine believed that they were written in that order although most scholars today disagree. Augustine was so highly respected in the church that people agreed with him. Their order is also determined by the fact that the first 3 are very similar and are refered to as "synoptic gospels" while John is considered different, so it is put at the back
Matthew Mark Luke John
In the New Testament, the four gospels.
They are - in reverse alphabetic order.
If you are referring to the order of the Gospels in the Bible, the book of Matthew comes first.
Matthew was considered to be the most Jewish of the Gospels (rightly so), so it served as a sort of "transition" (not really the right word, but it will do) in between the Old and New Testaments.
The Gospels are written in Greek.
The Gospels were written in Greek.
The Gospels were written in Greek.
Radoslav Gospels was created in 1429.
Miroslav Gospels was created in 1186.
Vukan Gospels was created in 1200.
The Missing Gospels was created in 2006.