Jay-Z did the first verse of Takeover at Summer Jam eviscerating Prodigy and at the end said “ASK NAS HE DON’T WANT IT WITH HOV”
Two weeks later Nas put out Stillmatic Freestyle
September 11, 2001, the day the Towers fell, Jay-Z put out The Blueprint with the full version of Takeover going at Nas.
Sometime between September and November The Source conducted an interview with Nas where he admitted that Jay’s last lines in Takeover (You know who did you know what with you know who) were code for Jay sleeping with Nas’s baby mother.
December 4th, Jay-Z’s birthday, Nas releases Ether, the unofficial second single from his forthcoming album Stillmatic
48 Hours later Jay rush releases Supaugly to Hot 97
Thats the timeline