Battle of the Jedi Temple

Location:
The Battle of the Jedi Temple took place on Coruscant during the Fall of Coruscant in 4637 ABY

Outcome:
The battle ended with the Sith destroying the Jedi Temple and leaving it in ruins, cripling the Jedi Order greatly

Deaths:

 * 184 Jedi died protecting the Temple
 * 238 Sith were killed in the ground attack
 * 5 Sith were killed blowing up parts of the Temple