10 Most Pivotal State of the Union Addresses — PICTURES

Jan. 20, 2012, 1:15 p.m.

Not all State of the Uni­on ad­dresses — either in whole or in part — have been mem­or­able, ef­fect­ive in pro­mot­ing the pres­id­ent’s policies, or game-chan­ging in some oth­er way.

But some have. Be­low we list 10 State of the Uni­on ad­dresses, ar­ranged chro­no­lo­gic­ally, that are note­worthy, based in part on in­form­a­tion from Real­Clear­Polit­ics.