to make sure no event is out of your reach, you may download .PGL files and whatnot here to insert into your games with whatever means you have access to:
http://projectpokemon.org/events/current events as of 7/3/12
-WIFI events-none active
-PGL events-lucario (M) - jan 12/12-sept 27/12 (one-use serial code from copies of B/W from target)
LV10
ot - yours
id - yours
ability - justified
nature - any
item - none
games - black US, white US
capture data - (date of capture) entree forest, met at lv. 10
moveset - detect/metal claw/counter/bullet punch
togekiss (M) - sept 1/11-aug 30/12 (obtained during your birthday month on PGL)
LV10
ot - yours
id - yours
ability - super luck
nature - any
item - none
games - black US, white US
capture data - (date of capture) entree forest, met at lv. 10
moveset - extremespeed/aura sphere/air slash/present
altaria (M) - nov 18/11-nov 30/12 (obtain w/ PGL password:みねうちチルタリス)
LV35
ot - yours
id - yours
ability - cloud nine
nature - any
item - none
games - black JP, white JP
capture data - (date of capture) entree forest, met at lv. 35
moveset - take down/natural gift/dragonbreath/false swipe
-in life events-keldeo - june 23/12-august 31/12 (pre-booking movie 15 tickets)
LV15
ball:cherish ball
ot - しょこたん
id - 06232
ability - justified
nature - any
item - PP max
games - black JP, white JP, black2 JP, white2 JP
capture data: (date of receiving) pokemon event, apperently had a fateful encounter at LV15
ribbon - wishing ribbon
moveset - aqua jet/leer/double kick/bubblebeam
meloetta- july 14/12-sept 30/12 (distributed during movie)
LV15
ball:cherish ball
ot - えいがかん
id - 07142
ability - serene grace
nature - any
item - PP max
games - black JP, white JP, black2 JP, white2 JP
capture data: (date of receiving) pokemon event, apperently had a fateful encounter at LV15
ribbon - wishing ribbon
moveset - quick attack/confusion/round
(note:PGL file was released earlier than planned distribution date)