Princess Maria Maximilianovna of Leuchtenberg
... that on 4 April 1866, Princess Maria Maximilianovna of Leuchtenberg and her brother Nicholas were accompanying their uncle, Emperor Alexander II of Russia, when someone tried to assassinate him?
... that on 4 April 1866, <b id="mwAUw"><a href="./Princess_Maria_Maximilianovna_of_Leuchtenberg" id="mwAU0" rel="mw:WikiLink" title="Princess Maria Maximilianovna of Leuchtenberg">Princess Maria Maximilianovna of Leuchtenberg</a></b> and her brother Nicholas were accompanying their uncle, <a class="mw-redirect" href="./List_of_Russian_rulers#House_of_Romanov" id="mwAU4" rel="mw:WikiLink" title="List of Russian rulers">Emperor</a> <a href="./Alexander_II_of_Russia" id="mwAU8" rel="mw:WikiLink" title="Alexander II of Russia">Alexander II of Russia</a>, when someone tried to assassinate him?