Oops…

To that end, you could ==== How to Reproduce ==== While doing a GET operation on `/timeline`, Trac issued an internal error. ''(please provide additional details here)'' Request parameters: {{{ {'authors': u'', 'daysback': u'90', 'from': u'1900-03-29'} }}} User agent: `#USER_AGENT#` ==== System Information ==== ''System information not available'' ==== Enabled Plugins ==== ''Plugin information not available'' ==== Python Traceback ==== {{{ Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 512, in _dispatch_request dispatcher.dispatch(req) File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 221, in dispatch resp = chosen_handler.process_request(req) File "/usr/lib/python2.7/dist-packages/trac/timeline/web_ui.py", line 247, in process_request format='%Y-%m-%d', tzinfo=req.tz) File "/usr/lib/python2.7/dist-packages/trac/util/datefmt.py", line 237, in format_date return _format_datetime(t, format, tzinfo, locale, 'date') File "/usr/lib/python2.7/dist-packages/trac/util/datefmt.py", line 218, in _format_datetime return _format_datetime_without_babel(t, format) File "/usr/lib/python2.7/dist-packages/trac/util/datefmt.py", line 165, in _format_datetime_without_babel text = t.strftime(str(format)) ValueError: year=1899 is before 1900; the datetime strftime() methods require year >= 1900 }}} a ticket.