Catholic Encyclopedia Regarding the day, year, and manner of Our Lady’s death, nothing certain is known. The earliest known literary reference to the Assumption is found in the Greek work De Obitu S. Dominae. Catholic faith, however, has always derived our knowledge of the mystery from Apostolic Tradition. Epiphanius (d. 403) acknowledged that he knew nothing definite about it (Haer., lxxix, 11). The dates assigned for it vary between three and fifteen years after Christ’s Ascension. Two cities claim to be the place of her departure: Jerusalem and Ephesus. Common consent favours Jerusalem, where her tomb is shown; but some argue in favour of Ephesus. The first six centuries did not know of the tomb of Mary at Jerusalem
You do not know what year. It could be 3 or 15, which also means it could be 2 or 16 as well. There is no basis for the time frame given. Why couldn’t it be 20 years?
You do not know WHERE it occured? Jerusalem or Ephesus.
You do not know what day it occured.
You do not know who saw this or did not find her body?
You do not know why no one seemed to mention the second greatest miracle or supernatural event of Christian history…for 300 years.
You do know you HAVE to believe it.