As a way of giving thanks to their idols for a good harvest, and to protect themselves from the Underworld by sacrificing animals.
The celtics started to do HALLOWEEN after Ireland....they celebrated the night of ghost and goblins!
Celtics, Romans and Christians
It was known as the Celtic festival "Samhain", it means Summer's end and/or the start of winter.(There are several schools of thought on this subject)
On Halloween
1946
1956
A Week or so before Halloween..
The Celtics believed that supernatural creatures will be able to cross through their world to ours on the October 31st.
At the moment, yes.
Halloween adjectives that start with the letter A include:AppallingAnxiousAbsurdAnthropomorphicAttractiveAncientAnimatedAwfulAwkwardAwesome
The holiday was originally used to celebrate the dead. It is believed to be originated from the Celtics and the Pagans but was later Christianized into the holiday it is today.
Halloween was on Monday, October 31st in the year 2011.