Hanukkah (also spelled Chanukah)
There is no opposition in Judaism between Purim and Hanukkah.
No. Chanukah commemorates the miraculous victory of the Jews against the Syrian-Greeks in the Maccabean War of 165 BCE. Jesus wasn't even born yet.
I think you mean Chanukah same'ach (חנוכה שמח) which means "happy chanukah."But if you want Chanukah Simchah, which means "Happiness Chanukah", it is חנוכה שימחה
No, unless you count some non-Jewish spouses of Jewish people.
lights (because candles are lit to remember the miracle of the oil in the holy Temple).
Chanukah is called "The festival of lights", because within the celebration candle light is the important. The candles lit during Chanukah remind us of the miracle of the oil during the re-dedication of the Temple, after the Jews defeated the Assyrian invaders.
No decorations are required during Chanukah.
Jewish people celebrate Chanukah in their homes.
Chanukah is a holiday. It doesn't eat.
The Chanukah Song was created in 1995.
After they were born.