Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1800 - 1850 1851 - 1914 1915 - 1926 1927 - 1984 1985 - 2000 the reason is because English
1800 - 1869 1870 - 1957 1958 - 1969 1970 - 1983 1984 - 2000 the reason is that English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer