As addressed in sibling thread, it has been a decade. The USA military-industrial complex is highly motivated to manufacture more reasons to silence Assange. If this had happened once in that decade, we would have heard about it.
Kosovo for one would disagree with you
This is objectively wrong. Operation unified response in Haiti in 2010, Operation Continuing Promise in the Caribbean and Latin America in 2011. Then Enduring Promise back in Latin America in 2018. Operation Tomodachi after the Japan earthquake in 2011.
Then of course there is the Cold War which lead to the breakup of the Soviet Union and the chance for political self determination of over a dozen countries.
Your convenient 60 year boundary just excludes the Korean War which led to the prosperous and democratic country of South Korea.