Problem with Sync of Calender

hey guys im using the bold .. now i have 2 email accounts and facebook on it .. but everytime i add myself to an event manually on fb.. it doesnt show on my calender on my phone and also if i were to delete my email and then re activate them my calender entries go to device default and then they dont join my email add.. and also dont show up on my calender.. infact i dont get the alarms also if its a bday for example.. i have to manually del and re enter for them to give me an alarm..

ive tried to click options and change the device default on the entry but it wont let me change it.. even tried in the advance - default setting but notthing.. any ideas plz ?

(sorry for the long post)