You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
In the same vain of the "Tudor Spain" thread, what if Leopold, Prince of Hohenzollern was able to take the Spainish Crown when it was offered to him in 1868? (say Napoleon III falls ill and isn't able to protest)
How would this effect the balance of power in Europe going forward?