Arcana Coelestia#6130
6130. 'And that year ended' means the desolation that followed the period covered by this state. This is clear from the meaning of 'that year ended' as that which followed the period covered by this state - 'year being the period covered by an entire state, see immediately above in 6129. The fact that desolation followed that period is evident from the details that come next.
Arcana Coelestia#6129
6129. 'That year' means the period covered by that state. This is clear from the meaning of 'year' as a whole period from start to finish, dealt within 2906.