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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                   Under the Securities Exchange Act of 1934
                               (Amendment No. 9)


                           TRANSATLANTIC HOLDINGS, INC.          
- -------------------------------------------------------------------------------
                                (Name of Issuer)


                    COMMON STOCK, PAR VALUE $1.00 PER SHARE            
- -------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                  893521 10 4
                   -----------------------------------------
                                 (CUSIP Number)

                             KATHLEEN E. SHANNON
                          VICE PRESIDENT AND SECRETARY
                        AMERICAN INTERNATIONAL GROUP, INC.
            70 PINE STREET, NEW YORK, NEW YORK 10270  (212) 770-5123
- -------------------------------------------------------------------------------
(Name, Address and Telephone Number of Person Authorized to Receive
                          Notices and Communications)


                                 MARCH 4, 1999
            -------------------------------------------------------
            (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box / /.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.
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                                  SCHEDULE 13D

CUSIP No. 893521  10  4                                      PAGE 2 of 7 PAGES

1    NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

        AMERICAN INTERNATIONAL GROUP, INC.   
        IRS NO. 13-2592361

2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                   (A) / /
                                                                        (B) / /
3    SEC USE ONLY

4    SOURCE OF FUNDS
        WC

5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEMS 2(d) or (e)
                                                                            / /

6    CITIZENSHIP OR PLACE OF ORGANIZATION

        INCORPORATED IN THE STATE OF DELAWARE
 

                          7   SOLE VOTING POWER
    NUMBER OF                    6,713,768
     SHARES
  BENEFICIALLY            8   SHARED VOTING POWER
    OWNED BY                    18,457,220
      EACH
   REPORTING              9   SOLE DISPOSITIVE POWER
     PERSON                      6,713,768
      WITH
                          10  SHARED DISPOSITIVE POWER
                                18,457,220

11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        18,457,220    

12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
                                                                            / /

13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
        53.3    

14   TYPE OF REPORTING PERSON
        HC, CO    

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                                  SCHEDULE 13D

CUSIP No. 893521  10  4                                      PAGE 3 of 7 PAGES

1    NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

        AMERICAN HOME ASSURANCE COMPANY
        IRS ID# 13-5124990   

2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                   (A) / /
                                                                        (B) / /
3    SEC USE ONLY

4    SOURCE OF FUNDS
        WC

5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEMS 2(d) or (e)
                                                                            / /

6    CITIZENSHIP OR PLACE OF ORGANIZATION

        INCORPORATED IN THE STATE OF NEW YORK
    

                          7   SOLE VOTING POWER
    NUMBER OF                 
     SHARES
  BENEFICIALLY            8   SHARED VOTING POWER
    OWNED BY                    11,743,452
      EACH
   REPORTING              9   SOLE DISPOSITIVE POWER
     PERSON                  
      WITH
                          10  SHARED DISPOSITIVE POWER
                                11,743,452

11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       11,743,452    

12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
                                                                            / /

13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
        33.9    

14   TYPE OF REPORTING PERSON
        IC, CO    


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ITEM 1.  Security and Issuer.

     This Statement relates to the common stock, par value $1.00 per share
("Common Stock"), of Transatlantic Holdings, Inc., a Delaware corporation
("Company"). This statement amends and supplements Items 1, 3 and 5 of the
Statement on Schedule 13D dated August 13, 1991, Amendment No. 1 to such
Schedule 13D dated November 3, 1993, Amendment No. 2 to such Schedule 13D dated
March 4, 1994, Amendment No. 3 to such Schedule 13D dated March 31, 1994,
Amendment No. 4 to such Schedule 13D dated November 21, 1995, Amendment No. 5 to
such Schedule 13D dated July 9, 1998, Amendment No. 6 to such Schedule 13D dated
August 7, 1998, Amendment No. 7 to such Schedule 13D dated September 11, 1998
and Amendment No. 8 to such Schedule 13D dated January 19, 1999 (hereinafter
collectively referred to as the "Schedule 13D"), previously filed by American
International Group, Inc., a Delaware corporation ("AIG"), on behalf of itself
and its wholly owned subsidiary, American Home Assurance Company, a New York
corporation ("AHAC"). The principal executive offices of the Company are located
at 80 Pine Street, New York, New York 10005.

     Capitalized terms used herein and not otherwise defined shall have the
meaning ascribed to such terms as in the Schedule 13D.





                               Page 4 of 7 Pages
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ITEM 3.  Source and Amount of Funds or Other Consideration.

         During the period from January 20, 1999 through March 4, 1999, AIG
purchased 398,900 additional shares of Common Stock at prices ranging from
$74.3125 to $74.9375 per share. AIG used its available working capital to
purchase the shares of Common Stock.




ITEM 5.  Interest in Securities of Issuer.

         (a) and (b).  The information required by these paragraphs is set forth
in Items 7 through 11 and 13 of each of the cover pages to this Amendment No. 9
to Schedule 13D and is based upon the number of shares of Common Stock
outstanding on September 30, 1998, as reported in the Company's Quarterly Report
on Form 10-Q, for the quarter ended September 30, 1998.


                               Page 5 of 7 Pages
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         (c).  Since the filing of Amendment No. 8 to Schedule 13D dated
January 19, 1999, AIG has acquired 398,900 shares of Common Stock as follows:

Date Number of Shares Purchased Price Per Share ---- -------------------------- --------------- 01/20/99 1,000 74.9375 01/21/99 15,000 74.9375 " 300 74.8750 01/22/99 18,700 74.9375 01/25/99 3,000 74.5000 " 500 74.7500 " 12,700 74.8125 " 21,200 74.8750 " 1,600 74.9375 01/26/99 8,200 74.6250 " 2,500 74.5000 " 500 74.6875 " 200 74.5625 " 3,600 74.8750 " 3,300 74.9375 01/27/99 5,500 74.9375 01/28/99 9,200 74.9375 01/29/99 11,700 74.9375 02/01/99 21,800 74.9375 02/02/99 34,500 74.9375 02/04/99 7,400 74.9375 02/05/99 1,800 74.9375 02/08/99 16,700 74.9375 " 4,300 74.8750 02/09/99 10,000 74.9375 02/10/99 10,800 74.8750 " 1,400 74.3125 02/16/99 1,000 74.9375 02/25/99 1,300 74.9375 02/26/99 46,000 74.9375 03/01/99 20,600 74.6250 " 1,000 74.6875 " 9,000 74.8750 " 9,400 74.9375 03/02/99 200 74.9375 03/03/99 10,000 74.5000 " 3,000 74.5625 03/04/99 65,600 74.8125 " 2,900 74.8750 " 500 74.6875 " 500 74.5000 " 500 74.4375
The above purchases were made in Open Market Purchases. AIG, AHAC, SICO and Starr and, to the best of AIG's and AHAC's knowledge, the Covered Persons, have not engaged in any transactions in Common Stock within the past 60 days other than those transactions described above. Page 6 of 7 Pages 7 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: March 5, 1999 AMERICAN INTERNATIONAL GROUP, INC. By: /s/ KATHLEEN E. SHANNON ------------------------------- Kathleen E. Shannon Vice President and Secretary AMERICAN HOME ASSURANCE COMPANY By: /s/ EDWARD E. MATTHEWS ------------------------------- Edward E. Matthews Senior Vice President Page 7 of 7 Pages