According to Google Ngram (which records the frequency with which words are in publications), the use of the word "Christianity" peaked in 1847, as did the use of the word "church", and it's scottish equivalent "Kirk".
You can click here to see the data and try your own searches.
To find out what happened in 1847 click here, although I don't think any of it is related.
Monday, December 14, 2015
I have the following Internet domain names which mya be for sale (if I get the right offer):
A set of three related domains:
Please contact me if you would like to make an offer on any of them.