Constantine the Great - later responsible for making Christianity the official religion of the Roman Empire - was first proclaimed Emperor in the city.
1	Constantine	Constantine	PROPN	NNP	Number=Sing	20	nsubj:pass	20:nsubj:pass	Discourse=joint-sequence_m:16->11:2|Entity=(26-person-new-cf1-1-coref-Constantine_the_Great
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
3	Great	great	ADJ	JJ	Degree=Pos	1	amod	1:amod	_
4	-	-	PUNCT	:	_	6	punct	6:punct	Discourse=elaboration-additional:17->16:0
5	later	late	ADV	RBR	Degree=Cmp	6	advmod	6:advmod	_
6	responsible	responsible	ADJ	JJ	Degree=Pos	1	amod	1:amod	_
7	for	for	SCONJ	IN	_	8	mark	8:mark	_
8	making	make	VERB	VBG	VerbForm=Ger	6	advcl	6:advcl:for	_
9	Christianity	Christianity	PROPN	NNP	Number=Sing	8	obj	8:obj|12:nsubj:xsubj	Entity=(27-organization-new-cf2-1-coref-Christianity)
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	12:det	Entity=(27-organization-giv:act-cf2-3-coref-Christianity
11	official	official	ADJ	JJ	Degree=Pos	12	amod	12:amod	_
12	religion	religion	NOUN	NN	Number=Sing	8	xcomp	8:xcomp	_
13	of	of	ADP	IN	_	16	case	16:case	_
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	16:det	Entity=(28-place-new-cf4-3-sgl-Roman_Empire
15	Roman	Roman	ADJ	JJ	Degree=Pos	16	amod	16:amod	_
16	Empire	Empire	PROPN	NNP	Number=Sing	12	nmod	12:nmod:of	Entity=28)27)26)
17	-	-	PUNCT	:	_	1	punct	1:punct	_
18	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	20	aux:pass	20:aux:pass	Discourse=same-unit_m:18->16:1
19	first	first	ADV	RB	Degree=Pos|NumType=Ord	20	advmod	20:advmod	_
20	proclaimed	proclaim	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
21	Emperor	emperor	NOUN	NN	Number=Sing	20	obj	20:obj	Entity=(26-person-giv:act-cf1-1-coref-Constantine_the_Great)
22	in	in	ADP	IN	_	24	case	24:case	_
23	the	the	DET	DT	Definite=Def|PronType=Art	24	det	24:det	Entity=(1-place-giv:act-cf3*-2-coref-York
24	city	city	NOUN	NN	Number=Sing	20	obl	20:obl:in	Entity=1)|SpaceAfter=No
25	.	.	PUNCT	.	_	20	punct	20:punct	_
