Complex sentence: My company began hearing the falsehood that our brand began in Germany sometime around 2006 and that our brand dates to the Oktoberfest of 1810 sometime around 2013.
Split into simpler sentences: My company began hearing the falsehood that our brand began in Germany sometime around 2006. Then, we began hearing the falsehood that our brand dates to the Oktoberfest of 1810 sometime around 2013.