[texmexis best]

According to Anglican Bishop Ussher, creation ocurred at nightfall of the evening preceding October 23rd, 4004.

He lived in the 17th century, not the 18th.

[dmz]

According to Anglican Bishop Ussher, creation ocurred at nightfall of the evening preceding October 23rd, 4004.
_____

So they had a week to prepare for the first Halloween.