<SEC-DOCUMENT>0001193125-16-532870-index.html : 20160407
<SEC-HEADER>0001193125-16-532870.hdr.sgml : 20160407
<ACCEPTANCE-DATETIME>20160407070236
ACCESSION NUMBER:		0001193125-16-532870
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20160407
DATE AS OF CHANGE:		20160407
EFFECTIVENESS DATE:		20160407

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HANOVER INSURANCE GROUP, INC.
		CENTRAL INDEX KEY:			0000944695
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				043263626
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13754
		FILM NUMBER:		161558751

	BUSINESS ADDRESS:	
		STREET 1:		440 LINCOLN ST
		CITY:			WORCESTER
		STATE:			MA
		ZIP:			01653
		BUSINESS PHONE:		5088551000

	MAIL ADDRESS:	
		STREET 1:		440 LINCOLN ST
		CITY:			WORCESTER
		STATE:			MA
		ZIP:			01653

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLMERICA FINANCIAL CORP
		DATE OF NAME CHANGE:	19950501
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d148740ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d148740ddefa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g148740naapg01a.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g148740naapg01a.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g148740naapg01b.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g148740naapg01b.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g148740naapg01c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g148740naapg01c.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g148740naapg01d.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g148740naapg01d.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g148740naapg01e.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g148740naapg01e.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g148740naapg01f.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g148740naapg01f.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g148740naapg01g.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g148740naapg01g.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g148740naapg01h.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g148740naapg01h.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g148740naapg02an.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g148740naapg02an.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g148740naapg02b.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g148740naapg02b.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g148740naapg02c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g148740naapg02c.jpg
</DOCUMENT> </SEC-DOCUMENT>