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                               UNITED STATES
                    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)  August 8, 2007
                                                     -----------------

                         OHIO CASUALTY CORPORATION
          (Exact name of registrant as specified in its charter)

             OHIO                    0-05544                 31-0783294
(State or other jurisdiction       (Commission             (IRS Employer
      of incorporation)            File Number)          Identification No.)

                 9450 Seward Road, Fairfield, Ohio   45014
           (Address of principal executive offices)(Zip Code)

                              (513) 603-2400
           (Registrant's telephone number, including area code)

                              Not Applicable
       (Former name or former address, if changed since last report)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of
the following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule l4a-12 under the Exchange Act
     (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))




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ITEM 8.01.  Other Events
- ----------


On August 8, 2007, the Ohio Casualty Corporation (the "Corporation")
issued a press release to announce that at the special meeting held on
August 8, 2007, shareholders of the Corporation approved the adoption
of the Agreement and Plan of Merger dated May 6, 2007 among Liberty
Mutual Insurance Company, Waterfall Merger Corp. and the Corporation
with a final vote of:


For 	47,006,023	Against	  579,874	Abstain   73,120


The press release was posted on the Corporation's website at
http://www.ocas.com and is attached hereto as Exhibit 99 and
hereby incorporated by reference.




ITEM 9.01.  Financial Statements and Exhibits
- ----------

(c)  Exhibits

     Exhibit No.   Description
     -----------   -----------


         99        Press release dated August 8, 2007, announcing the
                   adoption of the Agreement and Plan of Merger dated
		   May 6, 2007 among Liberty Mutual Insurance Company,
		   Waterfall Merger Corp. and the Corporation and
                   posted on the Corporation's website at
		   http://www.ocas.com.





                                 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.


                                          OHIO CASUALTY CORPORATION
                                       ------------------------------
                                              (Registrant)





August 8, 2007		                      /s/  Debra K. Crane
                                       -------------------------------------
                                       Debra K. Crane, Senior Vice President,
                                         General Counsel and Secretary




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                               Exhibit Index
                               -------------

                        Current Report on Form 8-K
                          Dated August 8, 2007


Exhibit No.   Description
- -----------   -----------



   99         Press release dated August 8, 2007, announcing the adoption
              of the Agreement and Plan of Merger dated May 6, 2007 among
	      Liberty Mutual Insurance Company, Waterfall Merger Corp. and
	      the Corporation and posted on the Corporation's website at
	      http://www.ocas.com.







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