Yes
Candainas don't put decorations up but canadians do
hearts baskets
The most popular Christmas decorations in Russia are glass hand painted Christmas Ornaments.
No
The Christmas decorations put on a table depends on a persons aesthetic. Often Christmas plates or place mats are used. A centerpiece decoration could include a small Christmas tree or nativity scene.
Before
because it is a traditon
The use of Christmas mantles is to enhance your home during the holiday season. People often put garland or other decorations on the mantle as a sign that the Christmas season has begun.
It is believed to be okay to put up Christmas lights a little before or after Thanksgiving, but this is still more of a personal choice. Most stores put out Christmas decorations right after Halloween in preparation.
Around Thanksgiving
they are pretty decorations that you can put at the top of your tree. Or anywhere.............
Traditionally Christmas decorations are not put up until the month of December. In days gone by, the decorations and the Christmas tree were not put up until Christmas Eve but these days, that tradition is not observed and people enjoy the festive feeling of Christmas earlier.