Feasiblility of Austrian-Prussian Union Between 1700-1870

Apr 2017
Would a union of Austria and Prussia have been possible? Obviously both saw themselves as the better empire and would wish to be the dominant state. But could some sort of merger have happened, possibly with one being weakened by new events?


Ad Honoris
May 2014
Maybe in 1848 had the Prussian King been less obstinate? Or, alternatively, have Austria-Hungary enter the Franco-Prussian War in 1870 (it just barely meets your time frame here) and then have Russia enter this war on the Prussian side and have Prussia and Russia partition Austria-Hungary between the two of them.