8-K

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 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) September 10, 2003

                           First Financial Corporation
             (Exact name of registrant as specified in its charter)

           Indiana                   000-16759                 35-1546989
(State or other jurisdiction        (Commission              (IRS Employer
     of incorporation)              File Number)           Identification No.)

    P. O. Box 540 , Terre Haute, Indiana                         47808
  (Address of principal executive offices)                     (Zip Code)


Registrant's telephone number, including area code    812-238-6264

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

         (a)  Exhibits.
              --------
              Exhibit Number:
              ---------------

              99.1   Press Release, dated September 10, 2003 issued by First
                     Financial Corporation



ITEM 9. REGULATION FD DISCLOSURE (INFORMATION PROVIDED UNDER ITEM 12 - RESULTS
OF OPERATIONS AND FINANCIAL CONDITION).

         The following information is being provided under Item 12 - Results of
         Operations and Financial Condition. It is being furnished under Item 9
         of this Form 8-K in accordance with interim guidance issued by the SEC
         in Release No. 33-8216. Such information, including the Exhibit
         attached hereto, shall not be deemed "filed" for purposes of Section 18
         of the Securities Exchange Act of 1934.

         On September 10, 2003, First Financial Corporation issued a press
         release to announce a 2 for 1 stock split. The release is furnished as
         Exhibit 99.1 hereto.

                                   SIGNATURES

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 hereunto duly authorized.


                                                 First Financial Corporation



Dated:  September 10, 2003                       (s) Norman L. Lowery
                                                 -----------------------------
                                                        Norman L. Lowery
                                                    Vice Chairman and Chief
                                                        Executive Officer


Dated:  September 10, 2003                       (s) Michael A. Carty
                                                 -----------------------------
                                                       Michael A. Carty
                                                 Secretary/Treasurer and Chief
                                                      Financial Officer

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE
September 10, 2003
For more information contact Michael Carty at (812) 238-6264


First Financial Corporation Announces 2 for 1 Stock Split

TERRE HAUTE, INDIANA -- First Financial Corporation (NASDAQ: THFF) today
announced that its Board of Directors approved a two-for-one split on First
Financial Corporation common stock. As a result of the stock split, shareholders
will receive one additional common share for every share held on the record date
of September 30, 2003.

Upon completion of the split the number of common shares outstanding will be
approximately 13,577,770. The additional shares will be mailed or delivered on
or about October 15, 2003, by the Corporation. This is the third time the
Corporation's common stock has split since 1968.

Donald E. Smith, Chairman of the Board of First Financial Corporation, said, "We
believe that the split will make First Financial Corporation's common stock even
more attractive to a broader range of investors. We see tremendous potential for
growth in the financial services sector and remain committed to attracting
investors who share this enthusiasm and take a long-term view of the
Corporation's growth opportunities."

First Financial Corporation is the holding company for Terre Haute First
National Bank, First State Bank, First Citizens State Bank, First Farmers State
Bank, First Parke State Bank, The Morris Plan Company of Terre Haute and Forrest
Sherer Inc. in Indiana; and First Ridge Farm State Bank, First National Bank of
Marshall, First Crawford State Bank and First Community Bank N.A. in Illinois.

This news release may contain forward-looking statements regarding First
Financial's future plans or objectives. These forward-looking statements are
based upon certain assumptions as well as current expectations and projections
about future events and are subject to uncertainties. As a result, the
forward-looking statements contained in this release could turn out
significantly different from expectations and projections or may not occur.
Further, actual outcomes or events may differ materially from those described in
any forward-looking statements. Additional information concerning potential
factors that could affect First Financial's actual financial results is included
in its Form 10-K for the year ended December 31, 2002.