the oldest 'haha' in chinese word is from a book called Water Margin,written 600 years ago. that's really old. english version: http://en.wikipedia.org/wiki/Wa

the oldest 'haha' in chinese word is from a book called Water Margin,written 600 years ago. that's really old. english version: http://en.wikipedia.org/wiki/Water_Margin http://en.wikipedia.org/wiki/Water_Margin chinese version: http://baike.baidu.com/view/11282.htm http://baike.baidu.com/view/11282.htm