Hmm...let's see...
We have christmas ,Easter ,Mother's day ,Father's day etc..
also the day which are pretty much the same as you guys celebrate 4th july ,not sure what its called in english exactly ;P
We don't really celebrate Halloween,Valentine's day or Thanksgiving the way you guys do either =/.
Imo thats kinda sad ,cause i think it would be alot of fun /nod ,especially Halloween hehe
(you can buy costumes and some pumpkins yes ,but there are not many people who actually cares )