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1.
Rivers
Amazon River is the only river mentioned outside of Australia.
2.
US Presidents
Abraham Lincoln is the the only US President assassinated whilst in office.
3.
Cities
Hanoi is the only city mentioned outside of China.
4.
Mountains
Ama Dablam is the only mountain not part of the eight-thousanders.
5.
NBA
The New York Knicks are the only team not part of the Southeast Division.
6.
US States
Maine is the only US State above the 40th parallel north.
7.
Animals
The rabbit is the only animal not native to Australia.
8.
Songs
'Summer' by Calvin Harris is the only song with less than 2 billion views on YouTube.
9.
Movies
Tom Hanks didn't act in 'Avatar' but did in the other movies
10.
Golfers
Steve Stricker is the only golfer to never win a Major
11.
North Carolina Cities
Charlotte is the only city not home to an ACC College
12.
Deserts
The Sahara Desert is the only desert located in the Northern Hemisphere
13.
Countries
France is the only country not part of the British Commonwealth
14.
AFL Clubs
The Cairns Taipans are not part of the Australian Football League
15.
FIFA World Cup Winners
Spain is the only FIFA World Cup Winner to not have lost in the World Cup Final