Thanksgiving Wallpaper Desktop For Free. Thanksgiving Day is really a holiday celebrated mainly within the U . s . States and Canada. Thanksgiving is well known every year around the second Monday of October in Canada as well as on the 4th Thursday of November within the U . s . States. Due to the historical traditions from the holiday, the celebration frequently stretches towards the weekend that falls nearest towards the day it’s celebrated. Other places all over the world observe similar festivities. In the past, Thanksgiving had roots in religious and cultural tradition. Today, Thanksgiving is mainly celebrated like a secular holiday.