The overlooked history of WWII

This year marks the 80th anniversary of the victory of the Chinese People's War of Resistance against Japanese Aggression, and the end of the Second World War. While the history of the European and American theaters of World War II is generally well understood, the Asian theater receives much less attention. Why is there an apparent blind-spot in people's collective consciousness? Exactly what happened in this part of the world? Why does it matter to revisit this episode in history now?