<SEC-DOCUMENT>0001564590-19-009674-index.html : 20190328
<SEC-HEADER>0001564590-19-009674.hdr.sgml : 20190328
<ACCEPTANCE-DATETIME>20190328060333
ACCESSION NUMBER:		0001564590-19-009674
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		34
CONFORMED PERIOD OF REPORT:	20190514
FILED AS OF DATE:		20190328
DATE AS OF CHANGE:		20190328
EFFECTIVENESS DATE:		20190328

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13754
		FILM NUMBER:		19709837

	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>DEF 14A
<SEQUENCE>1
<FILENAME>thg-def14a_20190514.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: thg-def14a_20190514.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>gaxvxhxgvtpg000007.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: gaxvxhxgvtpg000007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>gaxvxhxgvtpg000027.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: gaxvxhxgvtpg000027.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>gaxvxhxgvtpg000017.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: gaxvxhxgvtpg000017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>gaxvxhxgvtpg000005.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: gaxvxhxgvtpg000005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>gaxvxhxgvtpg000002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: gaxvxhxgvtpg000002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>gaxvxhxgvtpg000022.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: gaxvxhxgvtpg000022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>gaxvxhxgvtpg000021.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: gaxvxhxgvtpg000021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>gaxvxhxgvtpg000019.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: gaxvxhxgvtpg000019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>gaxvxhxgvtpg000008.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: gaxvxhxgvtpg000008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>gaxvxhxgvtpg000010.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: gaxvxhxgvtpg000010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>gaxvxhxgvtpg000006.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: gaxvxhxgvtpg000006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>gaxvxhxgvtpg000003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: gaxvxhxgvtpg000003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>gaxvxhxgvtpg000015.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: gaxvxhxgvtpg000015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>gaxvxhxgvtpg000012.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: gaxvxhxgvtpg000012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>gaxvxhxgvtpg000001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: gaxvxhxgvtpg000001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>gaxvxhxgvtpg000032.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: gaxvxhxgvtpg000032.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>gaxvxhxgvtpg000026.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: gaxvxhxgvtpg000026.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>gaxvxhxgvtpg000030.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: gaxvxhxgvtpg000030.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>gaxvxhxgvtpg000020.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: gaxvxhxgvtpg000020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>gaxvxhxgvtpg000018.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: gaxvxhxgvtpg000018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>gaxvxhxgvtpg000023.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: gaxvxhxgvtpg000023.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>gaxvxhxgvtpg000014.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: gaxvxhxgvtpg000014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>gaxvxhxgvtpg000031.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: gaxvxhxgvtpg000031.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>gaxvxhxgvtpg000025.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: gaxvxhxgvtpg000025.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>gaxvxhxgvtpg000024.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: gaxvxhxgvtpg000024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>gaxvxhxgvtpg000013.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: gaxvxhxgvtpg000013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>gaxvxhxgvtpg000016.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: gaxvxhxgvtpg000016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>gaxvxhxgvtpg000028.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: gaxvxhxgvtpg000028.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>gaxvxhxgvtpg000009.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: gaxvxhxgvtpg000009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>gaxvxhxgvtpg000004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: gaxvxhxgvtpg000004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>gaxvxhxgvtpg000029.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: gaxvxhxgvtpg000029.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>gaxvxhxgvtpg000033.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 33 - file: gaxvxhxgvtpg000033.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>gaxvxhxgvtpg000011.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 34 - file: gaxvxhxgvtpg000011.jpg
</DOCUMENT> </SEC-DOCUMENT>