Here are to you the links for Openings in Italian... Post your language ones, please.
Historical:
Mazinger Zeta
http://www.youtube.com/watch?v=CNbuMrKdWyw
Great Mazinger
http://www.youtube.com/watch?v=RBwrN0Ujn2c
Goldrake/Grendizer/Goldorak
(Historical First Opening)
http://www.youtube.com/watch?v=ajEOz4LTpcM
(Historical first Ending)
http://www.youtube.com/watch?v=DMvm10pTQsE
Jeeg Robot
http://www.youtube.com/watch?v=Lf5vXPjDCm0
Candy Candy
(Historical First Opening)
http://www.youtube.com/watch?v=Ig6oUR8b-yo
Tiger Man/Tiger Mask
http://www.youtube.com/watch?v=70msxSEd2zI
Galaxy Express 999
http://www.youtube.com/watch?v=UolMCnQALlw
Lupin III 1977
(Italian Opening was song in English)
http://www.youtube.com/watch?v=acllZt7T2-E
Daitarn III
http://www.youtube.com/watch?v=acllZt7T2-E
Gundam 0079
(First Historical Opening)
http://www.youtube.com/watch?v=FENeRiIubAw
StarBlazers/Space Cruiser Yamato
http://www.youtube.com/watch?v=87O6gXD9yg0
Princess Sapphire (Osamu Tezuka)
http://i.ytimg.com/vi/I2gZziuDYtQ/default.jpg
Hello Sandybelle
(Featuring the anime girl that seems Amiga Sama)
http://www.youtube.com/watch?v=BylTWy36I7c
Lulù l'angelo tra i fiori/Haka no ko Lun Lu
(Another Anime Girl that seems Amiga Sama and her boyfriend that seems Reaction Guy)
http://www.youtube.com/watch?v=Q1kInxZqWc8
Bia la sfida della magia/Majokko Megu Chan
http://www.youtube.com/watch?v=9Aox8Now8TE&feature=related
Jenny La tennista/Ace wo Nerae!
http://www.youtube.com/watch?v=_G0rkCPnqms&feature=related
Rocky Joe/Ashita no Joe/Joe of Tomorrow
http://www.youtube.com/watch?v=Wgw7JDkKy7k
Modern Ones:
Ransie/Ranze the Witch/Tokimeki Tonight/Tokimeki Tunaito: Hoshi no yukue
http://www.youtube.com/watch?v=yhSdWZKK1JM&feature=related
Lamù/Lum/Urusei Yatsura
http://www.youtube.com/watch?v=Ad1khq0tOBg
Fist of the North Star
http://www.youtube.com/watch?v=vjHO3-zZ04k
L'incantevole Creamy/Creamy Mamy
(Original Historical Opening)
http://www.youtube.com/watch?v=Wlu31OZxMfY
Sandy dai mille colori/Mahou no Pastel Yumi
http://www.youtube.com/watch?v=3MsYlHMsPz0
Evelyn, Magia di un sogno d'amore/Mahou no Yousei Pelsia
http://www.youtube.com/watch?v=WHNNDixdyQ8
Il grande sogno di Maya/Garasu No Kamen
http://www.youtube.com/watch?v=QhsE9jeb7zA
Magica Emi/MahÅ no Star Magical Emi
http://www.youtube.com/watch?v=_S9o5xji1CA
Occhi di Gatto/Cat's eye
(Very addictive)
http://www.youtube.com/watch?v=IqICiIlWOjk
E'quasi magia Johnny/Kimagure Orange Road
http://www.youtube.com/watch?v=_a-c0hd5OdU
Actuals:
Il Mistero della Pietra Azzurra/Nadia of the Blue Water/
http://www.youtube.com/watch?v=VSbmXKJTYEU
Naruto (It has various Openings, this one should be the first)
http://www.youtube.com/watch?v=uNoZb_oQtr0
Yu-Gi-OH
http://www.youtube.com/watch?v=oZVoAYfswvc
Dragon Ball GT
http://www.youtube.com/watch?v=T0ciCmmDkN0
Mermaid Melody
(Very good... terrificly addictive... ;010 o_o )
http://www.youtube.com/watch?v=j5sngYeQd3U
Forgive me in anticipation if I missed some links, or made some typo... There are so many. ;012
And I will post more, as long as I remember it... ;hi
Other Openings I just recalled in my mind:
Il fantastico mondo di Paul/Paul no miracle dai sakusen
(A very interesting and intriguing fantasy cartoon by Tatsunoko Inc.
Italian Opening is very good)
http://www.youtube.com/watch?v=rt2jCC5Hu84
Mademoiselle Anne/Haikara-San Ga Tooru
(This cartoon never did too much in Japan... In Italy had a good succes for its humor and due to this superb italian Opening theme... I have it on my cell phone as ringtone)
http://www.youtube.com/watch?v=qtzrIWYa4nk
Il magico mondo di Gigì/Maho no Princess Minky Momo
(Minky Momo in Italy and France was called Gigì)
http://www.youtube.com/watch?v=-j9CqaHHT54
C'era una volta Pollon/Ochamegami Monogatari Korokoro Poron
(This anime was full of humor... In Italy we had a crush for it. It entered our culture collective imagination. The only cartoon making smiles upon ancient greek mythology that is the nightmare of italian students at school. BOORING!... Pollon made us laugh of it. There are people here still quoting entire lines of the anime and singing the italian opening theme)
http://www.youtube.com/watch?v=qPyCqKXr3Ss
Yattaman/Yatter Man Time Bokan
(another Tatsunoko anime, full of crazy humor that conquered the hearts of italian kids and young people)
http://www.youtube.com/watch?v=WHu6VD5nQOM
Anna dai Capelli Rossi/Anne of Green Gables (Hayao Miyazaki)
(theme is from famous song "Rivers of Babylon" from "Boney M" music group)
http://www.youtube.com/watch?v=1ZPDMFQz5ck
Heidi la ragazza delle Alpi/Alps no Shojo Heidi (Hayao Miyazaki)
http://www.youtube.com/watch?v=BoTeFthoGyU
And last but not of the least, this is in my humble opinion the very best italian Opening for a japanese anime:
Conan il ragazzo del futuro/Mirai Shonen Conan (Hayao Miyazaki)
http://www.youtube.com/watch?v=bTA9lwExFzs