Eight.
They are:
Kiribati (1979)
the Marshall Islands (1986)
Micronesia (1986)
Palau (1994)
Papua New Guinea (1975)
the Solomon Islands (1978)
Tuvalu (1978)
and Vanuatu (1980)
1848Switzerland has existed since 1291, but prior to 1848 it was technically a defence alliance of independent countries.
Africa is a continent, not a country. I believe it has been defined as such since the time of the Ancient Greeks.
She was so independent we called her a hero from then on. He has become very independent since his mother died.
The Netherlands.
Well it has become more aware ggjgggjjjggggggjgjioii
No. Since Mexico became an independent nation in 1821, it hasn't tried to conquer or "colonize" other countries.
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Austria used to be the Kingdom of Austria and Hungary before WWI. After WWI Austria was an independent state, then was adopted to Germany in 1933 and is independent since the end of WWII which was in 1945.
The Sultanate of Oman (or just Oman), gained its independence in 1741 when the Portuguese were driven from their holdings on the Omani coast. The region, still lead by the Al-Said family has remained independent since that time.
Nigeria is a single independent country located in West Africa. It is not made up of multiple independent countries within its borders. Nigeria gained independence from British colonial rule on October 1, 1960, and has remained a unified nation since then.
50
Ukraine has never been a province. It was part of USSR, but Ukraine has been independent since 1991.