Jewish law prohibits Jews from marrying Non-Jews. Although some Reform rabbis will perform intermarriages, they are in a minority.
Some modern communities and families welcome non-Jewish spouses.
Yes, they have and do. There is nothing scripturaly prohibiting "reafimming" your commitment to each other and G-d.
A Jew can remarry. However if a person is a kohen, meaning their ancestor in the time of the temple was a kohen, then they cannot marry a divorced person.
It's never a good idea for any man to be all alone.
The Gosselin's renewed their wedding vows in August 2008.
Jon and Kate renewed their wedding vows September 28, 2008.
Jews don't exactly have vows. They have mostly blessings.
There is no prohibition on getting married or renewing vows on Shabbat. It's just that most Jews avoid doing so because Shabbat prohibits a number of ancillary things that a person may wish to have at a wedding (such as dancing to music or having relatives arrive by car, etc.)
Jon and Kate renewed their wedding vows August 8th 2008 at the Grand Wailea Resort on Maui, Hawaii.
If it still fits, you could wear your original wedding gown to renew your vows. Otherwise, just wear something classy and dressy, unless you're doing a themed renewal. Pick a color your spouse likes that makes you feel good.
No, the gifts are given as a boost to the new couple. You are not obligated by any means to provide a gift to a married couple that is renewing their vows.
To show there kids there undying love for each other.
During the Summer of 2008. I don't know the exact month or day.
Traditional wedding vows
Then they are different, additional vows.
If your anniversary does not fall on a Friday or Saturday then yes, you can renew your wedding vows on a different day. The date isn't as important and proudly saying your wedding vows a second time declaring your love for each other.