Google Books Ngram Viewer

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

1700 - 1730 1731 - 1752 1753 - 1768 1769 - 1873 1874 - 1900 dia Spanish
1700 - 1720 1721 - 1877 1878 - 1889 1890 - 1895 1896 - 1900 día Spanish

Run your own experiment! Raw data is available for download here.
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