Tuesday Turnip

In case you're not familiar with the Turnip, it's a whimsical Google search, wherein I type a random phrase and we see what kind of interesting pages "turn-up." As always with this feature, the _floss is not responsible for accuracy. If you know one of the below statements/links to be untrue, by all means, let the world know in the comments below.
Today I typed "the only country" into Google, unearthing the following:
Turnip #1
The Only Country In The World Without Coins For Currency [is] Laos.
Turnip #2
The Netherlands, Belgium, Canada, Spain, Norway, and Sweden are the only countries in which the legal status of same-sex marriages are exactly the same as that of opposite-sex marriages, though South Africa is due to fully harmonize its marriage laws.
Turnip #3
Poland is the only country in the world to invoke Napoleon in its national anthem.
Turnip #4
Iran is the only country in the world that requires both men and women to take a class on modern contraception before receiving a marriage license.
Turnip #5
The only country to have a Bible on their national flag"¦ [is] the Dominican Republic.
Turnip #6
What is the only country named after a Biblical king? The Solomon Islands.
Turnip #7
Malaysia is the only country in the world which gives monthly allowance to fishermen.
Turnip #8
America is the Only Country Whose Labor Day Holiday is in September.