Does anyone know of how the Ranma 1/2 timeline looks like,
especialy in regards to Ukyo and Ryouga?

as far as I can guess...

Yrs old - event
0 - Ranma, Ryouga, Ukyo born
6 - Happosai gets dumped in cave
6?? - Ranma chooses Okonomiyaki over Ukyo
??? - Ranma leaves for china, leaving behind an irate Ryouga?
16 - Ranma meets the Tendos, present day adventures and such....

anybody able to fill in the blanks?
-rpm