Humanity makes an earlier first contact, and with a different race. Thus, the history is changed.

A Hammerhead-class Cruiser crashes on Earth in the Unknown Regions 500 years before the Star Wars Saga, and the people know what will happen in the future. And so, they make a plan 500 years in the making. Rating might move from T to M.

After resigning from the Jedi Order, Ahsoka didn't expect to find herself sent to a new world, especially a world where a young boy needed her help... (Epilogue 1 links to Knave Squadron.)