How to display Multiple Languages in HTML

[wilcoHead]

How can I verify or make sure that I am adding Russian and spanish text in properly so that is displays correctly in my browser?

I am using Dreamweaver and I have set the following code at the header part of the HTML.
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<META http-equiv="Content-Type" content="text/html; charset=utf-8">
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Someone plase help!

Thanks for your input;
WilcoHEAD