Did Columbus cause The Little Ice Age? http://kottke.org/11/07/did-columbus-cause-the-little-ice-age
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Did Columbus cause The Little Ice Age? http://kottke.org/11/07/did-columbus-cause-the-little-ice-age