Yes, but there are some differences with some groups within Christianity. The majority will have Christmas, Lent, and Easter as the predominant 'special' days. Others will hold to the traditional days in Leviticus 23 but with different meanings like the Passover as Christ's memorial and new signs given to diciples.
yes
Aphrodite was worshiped in the Aphrodisia, Adonia, Hysteria and Anagogia festivals.
Yes, the Holy Bible.
Yes, the special book is called the Holy Bible.
Yes, there are many significant Hindu festivals. Examples include diwali, navratri, raksha bandhan and many more. These are celebrated with pomp and joy.
love
yes
yes
yes usualy their church but not all the time.
Christmas was never founded. It came with Christianity as one of its festivals.
are there any festivals in Islam Sikhism and Buddhism
The shofar (also known as a ram's horn).