When are Nintendo events on

i can tell you about emerald/ruby/sappire.... no1:you have to beat the elite four and wait about...10-20 days depending on your Pokemon and i.d num no2:use a gameshark code...[im not sure] :P no3:most of them i encountered...was the gamecorner service day,energy guru prices on items [cheap],the old chart,the blending master comes to lilycove city [GOLD POKEBLOCKS!!!!!]...................................that's mostly all...i encountered...