<PAGE>

                      SECURITIES AND EXCHANGE COMMISSION

                            Washington, D.C.  20549

                                   FORM 8-K

                                CURRENT REPORT


                      Pursuant to Section 13 or 15(d) of
                      The Securities Exchange Act of 1934


    Date of Report (Date of earliest event reported)          July 17, 2000
                                                              -------------

                     FIRST USA BANK, NATIONAL ASSOCIATION
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            (Exact name of registrant as specified in its charter)

           (As Servicer on behalf of FIRST CHICAGO MASTER TRUST II)



<TABLE>
<S>                                   <C>                            <C>
Laws of the United States                     0-16337                         51-0269396
------------------------------                -------                         ----------
(State or other jurisdiction          (Commission File Number)       (IRS Employer Identification
 of incorporation or organization                                             Number)
</TABLE>



201 North Walnut Street, Wilmington, Delaware           19801
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(Address of principal executive offices)           (Zip Code)


                    302/594-4117
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Registrant's telephone number, including area code
<PAGE>

Item 5. Other Events

     The Registrant's hereby incorporated by reference the information contained
in Exhibit 28 hereto in response to this Item 5.



Item 7. Financial Statements and Exhibits

     (c)  Exhibits

      28A.  Monthly Servicer's Certificate -
            Floating Rate Credit Card Certificates Series 1995-M
            Floating Rate Credit Card Certificates Series 1995-O
            Floating Rate Credit Card Certificates Series 1995-P
            Floating Rate Asset Backed Certificates Series 1996-Q
            Floating Rate Asset Backed Certificates Series 1996-S
            Floating Rate Asset Backed Certificates Series 1997-T
            Floating Rate Asset Backed Certificates Series 1997-U
            Floating Rate Asset Backed Certificates Series 1998-V
            Floating Rate Asset Backed Certificates Series 1999-W
            Floating Rate Asset Backed Certificates Series 1999-X
            Floating Rate Asset Backed Certificates Series 1999-Y

      28B.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Credit Card Certificates Series 1995-M

      28C.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Credit Card Certificates Series 1995-O

      28D.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Credit Card Certificates Series 1995-P

      28E.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1996-Q

      28F.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1996-S

      28G.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1997-T

      28H.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1997-U

      28I.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1997-V

      28J.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1999-W
<PAGE>

      28K.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1999-X

      28L.  Certificateholder's Payment Date Statement  - First Chicago Master
            Trust II Floating Rate Asset Backed Certificates Series 1999-Y
<PAGE>

                                   SIGNATURE



     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                         FIRST USA BANK, NATIONAL ASSOCIATION
                         As Servicer



                         By:  /s/ Tracie H. Klein
                              ----------------------------
                             Name:  Tracie H. Klein
                             Title: First Vice President



Date:  July 17, 2000
       -------------
<PAGE>

                               INDEX TO EXHIBITS


Exhibit Number      Description of Exhibit
--------------------------------------------------------------------------------

      28A.          Monthly Servicer's Certificate -
                    Floating Rate Credit Card Certificates Series 1995-M
                    Floating Rate Credit Card Certificates Series 1995-O
                    Floating Rate Credit Card Certificates Series 1995-P
                    Floating Rate Asset Backed Certificates Series 1996-Q
                    Floating Rate Asset Backed Certificates Series 1996-S
                    Floating Rate Asset Backed Certificates Series 1997-T
                    Floating Rate Asset Backed Certificates Series 1997-U
                    Floating Rate Asset Backed Certificates Series 1998-V
                    Floating Rate Asset Backed Certificates Series 1999-W
                    Floating Rate Asset Backed Certificates Series 1999-X
                    Floating Rate Asset Backed Certificates Series 1999-Y

      28B.          Certificateholder's Payment Date Statement  - First Chicago
                    Master Trust II Floating Rate Credit Card Certificates
                    Series 1995-M

      28C.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Credit Card Certificates
                    Series 1995-O

      28D.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Credit Card Certificates
                    Series 1995-P

      28E.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1996-Q

      28F.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1996-S

      28G.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1997-T

      28H.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1997-U

      28I.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1997-V

      28J.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1999-W

      28K.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1999-X

      28L.          Certificateholder's Payment Date Statement - First Chicago
                    Master Trust II Floating Rate Asset Backed Certificates
                    Series 1999-Y