Nothing Better Super Simplified Timeline of What
Timeline:
Infinite Crisis
Batman (37) dies. Dianne (2) is one of many affected by temporal and spatial disruptions that occurred during IC, aged to 5 years old.
Year 1
Dick (24) becomes Batman for a few months, gives up cowl to then Robin, Tim (16), and then current Nightwing, Jason (17). Tim gives up being Robin and shares both the cowl and Nightwing duties with Jason.
Year 2
Damian and Mariel arrive, Damian (13) becomes Robin, Mariel becomes Huntress. Dick begins to show signs of mental instability.
Year 4 - 6
Cecile Bergman becomes Tim's secretary. Tim becomes Seer with help of Cecile Bergman. Damian becomes Batman.
Year 8 - Dick has mentally regressed to 12 years old.
Year 10
Dianne (15) meets Selina Kyle and the brothers, Wayne. Becomes Robin VI. Cisco (21) meets Kate Kane and Renee Kane nee Montoya.
Year 12 Cisco comes to Gotham. Everyone finds out about Terry (25).