Forcing the expiration of HTML page

I have a static pageA.htm and pageB.htm .  From pageA I link to pageB .  Suppose I am currently at pageB in the browser, then I modify pageB in NotePad, than in the web browser I link to pageA, and from there link to pageB.  PageB will not show the  modification I just made to it in NotePad.  If I click the Reload button in the browser however, pageB will update itself.  I guess this because of the cache in the memory of the browser.  How can I force an expiry from cache within the html code in pageB.htm ?
matalaAsked:
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sybeCommented:
put this in the <HEAD> of pageB
<meta http-equiv="Expires" content="January 1, 1970 00:00:00 GMT">
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matalaAuthor Commented:
Upon your answer, I put the following in pageB:
<HTML>
<head>
<meta http-equiv="Expires" content="January 1, 1970 00:00:00 GMT">
<title>pageB</title>
</head>

That did not do it.  Here is a piece of info that might be relevant to this problem:
PageA links to pageC.  PageC contains a frameset: frame1 display a static web page; frame2 displays pageB.htm (the one where I put your <meta> suggestion).  When that did not solve the problem, I also added the same <meta> in the <head> of pageC (the one that contains the frameset).  That did not do it either. Help!
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sybeCommented:
Hmmm, what browser do you use ? it should work..

Maybe it's necessary to write it in uppercase:

<META HTTP-EQUIV="Expires" CONTENT="Mon, 06 Jan 1990 00:00:01 GMT">

For Internet Explorer should work:

<META HTTP-EQUIV="Pragma" CONTENT="No-cache">

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