SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16
of the Securities Exchange Act of 1934

For the month of: September 2005 Commission File Number: 001-133354

BANK OF MONTREAL

(Name of Registrant)

100 King Street West
1 First Canadian Place	129 rue Saint-Jacques
Toronto, Ontario	Montreal, Quebec
Canada, M5X 1A1	Canada, H2Y 1L6
(Executive Offices)	(Head Office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F     o Form 40-F     þ

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the SEC pursuant to Rule 12g3-2(b) under the Securities Exchange act of 1934:

Yes     o No     þ

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):   N/A  

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, thereunto duly authorized.

BANK OF MONTREAL
By:	/s/ Robert V. Horte
	Name:	Robert V. Horte
	Title:	Vice President and Secretary
By:	/s/ Sharon Sandall
	Name:	Sharon Sandall
	Title:	Senior Assistant Secretary

Date: September 23, 2005

EXHIBIT INDEX

Exhibit	Description of Exhibit
99.1	Press Release — Bank of Montreal Announces Issuance by BMO Capital Trust