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 18, 2008

ZENITH NATIONAL INSURANCE CORP.
(Exact name of registrant as specified in its charter)
Delaware	1-9627	95-2702776
(State or other jurisdiction	(Commission	(IRS Employer
of incorporation)	File Number)	Identification No.)
21255 Califa Street, Woodland Hills, CA		91367-5021
(Address of principal executive offices)		(Zip Code)
Registrant’s telephone number, including area code (818) 713-1000
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):

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

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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

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

Item 8.01.  Other Events.

On September 18, 2008, Zenith National Insurance Corp., the Registrant, issued a press release announcing the declaration of a regular quarterly cash dividend in the amount of $0.50 per share of its outstanding shares of common stock.  A copy of the press release is attached hereto as Exhibit 99.1 and it is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.
	(a)	Not applicable
	(b)	Not applicable
	(c)	Not applicable
	(d)	Exhibits
	The following exhibit is filed as part of this report:

Number	Exhibit
99.1	Press Release of Zenith National Insurance Corp. dated September 18, 2008

SIGNATURE

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

		ZENITH NATIONAL INSURANCE CORP.
Dated:	September 18, 2008	By:	/s/ Kari L. Van Gundy
			Name:	Kari L. Van Gundy
			Title:	Senior Vice President
				and Chief Financial Officer

EX-99.1

Exhibit 99.1

PRESS RELEASE
BUSINESS AND FINANCIAL EDITORS	WILLIAM J. OWEN
FOR IMMEDIATE RELEASE	Senior Vice President,
	Investor Relations
	818-676-3936

ZENITH DECLARES QUARTERLY DIVIDEND

WOODLAND HILLS, CALIFORNIA, September 18, 2008  .  ..  .  .  ..  .  .  ..  .  .  ..  .  .  ..  .  .

Zenith National Insurance Corp. (NYSE:ZNT) today declared a regular quarterly cash dividend of $0.50 per share on its outstanding shares of common stock.  The dividend is payable November 14, 2008 to stockholders of record at the close of business on October 31, 2008.

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