1700's to forget with george washington and 1800's to forget with abraham lincoln
thats the weirdest special interest ive seen
I myself would go to the early 1930s and kill Riddler before he came to power.
if blackhole A was sucked into blackhole B, wouldn't blackhole B be sucked into black hole A thus creating time travel
To the time of dragons :)
...and when humanity was hellbent on killing them all