Symbolic Periods of History cross-referenced with the Biblical text which states this period of time must elapse in the event time cycle of a specific event of Prophecy.
Jesus Christ announced a predicted time cycle when he pointed His disciple to the book of Daniel as noted below
65 YEARS…………………………………….ISAIAH 7:8
70 YEARS…………………………………….JEREMIAH 25:2
490 YEARS……………………………………DANIEL 9
2300 YEARS………………………………….DANIEL 8
1260 YEARS………………………………….DANIEL 7
2520 YEARS………………………………….DANIEL 4
1290 YEARS………………………………… DANIEL 12
1335 YEARS………………………………….DANIEL 12
30 YEARS……………………………………..DANIEL 12
45 YEARS……………………………………..DANIEL 12
2595 YEARS…………………………………DANIEL 12
1000 YEARS………………………………….REVELATION 20