Go to Preferences / General / Keys. You’ll be able to see or edit the bindings for:
Backward History: default is Alt←Forward History: default is Alt→
You may also use those shortcuts (and see the key bindings) in the toolbar:

Go to Preferences / General / Keys. You’ll be able to see or edit the bindings for:
Backward History: default is Alt←Forward History: default is Alt→You may also use those shortcuts (and see the key bindings) in the toolbar:
