Google Books Ngram Viewer

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

1945 - 1987 1988 - 2003 2004 - 2005 2006 - 2007 2008 zeitgleich German
1945 - 1951 1952 - 1981 1982 - 1987 1988 - 2000 2001 - 2008 gleichzeitig German

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