1
On flags:

Facebook
2
3
On Denmark:

Reddit
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4
5
6
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7
On centimeters:

Reddit
8
9
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10
11
12
On clocks:

Reddit
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13
On fries:

Reddit
14
On English:

Quora
15
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16
17
On dates of birth:

Reddit
18
On Canada:

Reddit
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19
Americans on Native Americans:

Facebook
20
On Scotland:

Twitter
21
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22
On admiration:

Twitter
23
24
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25
26
27
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28
On Rome:

Twitter
29
On medicine:

Twitter
30
On protesting:

Facebook
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31
32
33
On Celsius:

Facebook
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34
On guns:

Facebook
35
36
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37
On southern borders:

Twitter
38
On the Vatican:

Twitter
39
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40
On footie:

Twitter
41
On South Africa:

Facebook
42
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43
44
On pages:

Facebook
45
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46
On running water:

Twitter
47
48
Advertisement
49
50
Huffington Post
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