"More than a century before, Inspiration had foretold that “the night of ... pleasure” during which king and counselors would vie with one another in blasphemy against God, would suddenly be changed into a season of fear and destruction. And now, in rapid succession, momentous events followed one another exactly as had been portrayed in the prophetic scriptures years before the principals in the drama had been born. PK 531.1"
"In the same hour came forth fingers of a man’s hand, and wrote over against the candlestick upon the plaister of the wall of the king’s palace: and the king saw the part of the hand that wrote."
The EGW passage directly refers to the events of Daniel 5, where the hand appears and writes on the wall. While Daniel 5:5 is only a small part of the overall narrative, it is a key element of the story that EGW is referencing. The passage amplifies the idea that the events were foretold.
"While still in the festal hall, surrounded by those whose doom has been sealed, the king is informed by a messenger that “his city is taken” by the enemy against whose devices he had felt so secure; “that the passages are stopped, ... and the men of war are affrighted.” Verses 31, 32 . Even while he and his nobles were drinking from the sacred vessels of Jehovah, and praising their gods of silver and of gold, the Medes and the Persians, having turned the Euphrates out of its channel, were marching into the heart of the unguarded city. The army of Cyrus now stood under the walls of the palace; the city was filled with the soldiers of the enemy, “as with caterpillars” ( verse 14 ); and their triumphant shouts could be heard above the despairing cries of the astonished revelers. PK 531.2"
"In that night was Belshazzar the king of the Chaldeans slain."
EGW directly quotes Daniel 5:30 and provides additional context and details surrounding the event. This is a clear and direct reference.
"“In that night was Belshazzar the king of the Chaldeans slain,” and an alien monarch sat upon the throne. PK 531.3 Clearly had the Hebrew prophets spoken concerning the manner in which Babylon should fall. As in vision God had revealed to them the events of the future, they had exclaimed: “How is Sheshach taken! and how is the praise of the whole earth surprised! how is Babylon become an astonishment among the nations!” “How is the hammer of the whole earth cut asunder and broken! how is Babylon become a desolation among the nations!” “At the noise of the taking of Babylon the earth is moved, and the cry is heard among the nations.” PK 531.4"
"How is the hammer of the whole earth cut asunder and broken! how is Babylon become a desolation among the nations!"
EGW directly quotes Jeremiah 50:23 to support her point about the fall of Babylon. This is a clear and direct reference.