serhiy_774

Position: Private

Joined: 2026-06-01

Stats
GM X
GM VIII
GM VI
Company statistics
Team statistics
Skirmishes statistics
Stronghold statistics
Share
Other

Overall Stats

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	4284		0		273		887
Ø Tier	9,13		0,00		9,85		9,86
Victories	1758	41,04%	0	0,00%	110	40,29%	349	39,35%
Defeats	2464	57,52%	0	0,00%	161	58,97%	531	59,86%
Draws	62	1,45%	0	0,00%	2	0,73%	7	0,79%
Battles survived	782	18,25%	0	0,00%	44	16,12%	160	18,04%
Tanks destroyed	1197	0,28	0	0,00	76	0,28	275	0,31
Destruction ratio	0,34		0,00		0,33		0,38
Tanks spotted	1678	0,39	0	0,00	115	0,42	360	0,41
Damage dealt	580,31		0,00		790,51		789,58
Capture points	1365	0,32	0	0,00	4	0,01	97	0,11
Defense points	35	0,01	0	0,00	0	0,00	3	0,00
Experience	545,07		0,00		586,06		581,79
WN7	263,28		0,00		283,61		284,39
WN8	190,58		0,00		299,35		270,90

Total
Battles	4284
Ø Tier	9,13
Victories	1758	41,04%
Defeats	2464	57,52%
Draws	62	1,45%
Battles survived	782	18,25%
Tanks destroyed	1197	0,28
Destruction ratio	0,34
Tanks spotted	1678	0,39
Damage dealt	580,31
Capture points	1365	0,32
Defense points	35	0,01
Experience	545,07
WN7	263,28
WN8	190,58

Past 24 hours
Battles	0
Ø Tier	0,00
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00
WN7	0,00
WN8	0,00

Past 7 days
Battles	273
Ø Tier	9,85
Victories	110	40,29%
Defeats	161	58,97%
Draws	2	0,73%
Battles survived	44	16,12%
Tanks destroyed	76	0,28
Destruction ratio	0,33
Tanks spotted	115	0,42
Damage dealt	790,51
Capture points	4	0,01
Defense points	0	0,00
Experience	586,06
WN7	283,61
WN8	299,35

Past 30 days
Battles	887
Ø Tier	9,86
Victories	349	39,35%
Defeats	531	59,86%
Draws	7	0,79%
Battles survived	160	18,04%
Tanks destroyed	275	0,31
Destruction ratio	0,38
Tanks spotted	360	0,41
Damage dealt	789,58
Capture points	97	0,11
Defense points	3	0,00
Experience	581,79
WN7	284,39
WN8	270,90

Created at:

Last battle:

Last update:

Globalmap Absolute X

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	0		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	0	0,00	0	0,00	0	0,00	0	0,00
Destruction ratio	0,00		0,00		0,00		0,00
Tanks spotted	0	0,00	0	0,00	0	0,00	0	0,00
Damage dealt	0,00		0,00		0,00		0,00
Capture points	0	0,00	0	0,00	0	0,00	0	0,00
Defense points	0	0,00	0	0,00	0	0,00	0	0,00
Experience	0,00		0,00		0,00		0,00

Total
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 24 hours
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 7 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 30 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Globalmap Champion VIII

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	0		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	0	0,00	0	0,00	0	0,00	0	0,00
Destruction ratio	0,00		0,00		0,00		0,00
Tanks spotted	0	0,00	0	0,00	0	0,00	0	0,00
Damage dealt	0,00		0,00		0,00		0,00
Capture points	0	0,00	0	0,00	0	0,00	0	0,00
Defense points	0	0,00	0	0,00	0	0,00	0	0,00
Experience	0,00		0,00		0,00		0,00

Total
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 24 hours
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 7 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 30 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Globalmap Middle VI

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	0		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	0	0,00	0	0,00	0	0,00	0	0,00
Destruction ratio	0,00		0,00		0,00		0,00
Tanks spotted	0	0,00	0	0,00	0	0,00	0	0,00
Damage dealt	0,00		0,00		0,00		0,00
Capture points	0	0,00	0	0,00	0	0,00	0	0,00
Defense points	0	0,00	0	0,00	0	0,00	0	0,00
Experience	0,00		0,00		0,00		0,00

Total
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 24 hours
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 7 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 30 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Company statistics

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	0		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	0	0,00	0	0,00	0	0,00	0	0,00
Destruction ratio	0,00		0,00		0,00		0,00
Tanks spotted	0	0,00	0	0,00	0	0,00	0	0,00
Damage dealt	0,00		0,00		0,00		0,00
Capture points	0	0,00	0	0,00	0	0,00	0	0,00
Defense points	0	0,00	0	0,00	0	0,00	0	0,00
Experience	0,00		0,00		0,00		0,00

Total
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 24 hours
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 7 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 30 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Team statistics

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	0		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	0	0,00	0	0,00	0	0,00	0	0,00
Destruction ratio	0,00		0,00		0,00		0,00
Tanks spotted	0	0,00	0	0,00	0	0,00	0	0,00
Damage dealt	0,00		0,00		0,00		0,00
Capture points	0	0,00	0	0,00	0	0,00	0	0,00
Defense points	0	0,00	0	0,00	0	0,00	0	0,00
Experience	0,00		0,00		0,00		0,00

Total
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 24 hours
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 7 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 30 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Skirmishes statistics

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	0		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	0	0,00	0	0,00	0	0,00	0	0,00
Destruction ratio	0,00		0,00		0,00		0,00
Tanks spotted	0	0,00	0	0,00	0	0,00	0	0,00
Damage dealt	0,00		0,00		0,00		0,00
Capture points	0	0,00	0	0,00	0	0,00	0	0,00
Defense points	0	0,00	0	0,00	0	0,00	0	0,00
Experience	0,00		0,00		0,00		0,00

Total
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 24 hours
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 7 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 30 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Stronghold defense statistics

	Total		Past 24 hours		Past 7 days		Past 30 days
Battles	0		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	0	0,00	0	0,00	0	0,00	0	0,00
Destruction ratio	0,00		0,00		0,00		0,00
Tanks spotted	0	0,00	0	0,00	0	0,00	0	0,00
Damage dealt	0,00		0,00		0,00		0,00
Capture points	0	0,00	0	0,00	0	0,00	0	0,00
Defense points	0	0,00	0	0,00	0	0,00	0	0,00
Experience	0,00		0,00		0,00		0,00

Total
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 24 hours
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 7 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

Past 30 days
Battles	0
Victories	0	0,00%
Defeats	0	0,00%
Draws	0	0,00%
Battles survived	0	0,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	0	0,00
Damage dealt	0,00
Capture points	0	0,00
Defense points	0	0,00
Experience	0,00

World of Tanks Profile

Anzeigen

Tanks (84)

Tank Name	Tier	Ø Damage	Ø XP	Battles	Victories	WN8
Type 71	10	618,00	575	807	41,26%	170,21
Buryan	9	593,66	562	474	41,14%	168,08
STK-2	11	909,48	630	446	38,34%	261,27
WZ-114	9	467,78	543	279	43,01%	166,60
Wz. 64GC Bzyg	10	722,80	561	270	38,89%	197,24
Schwertwal	10	710,20	591	247	40,89%	207,04
Somua SM	8	441,18	521	137	43,07%	193,80
XM57	8	691,64	506	130	40,00%	333,90
IS-3A	8	312,44	497	129	42,64%	67,28
E 65 Zwilling	8	425,92	453	87	34,48%	68,47
TS-54	8	492,28	597	71	46,48%	297,70
Yong Bing	9	428,70	565	69	46,38%	128,04
Tiger 131	6	504,42	455	65	33,85%	502,95
Caernarvon Action X	8	430,61	538	64	45,31%	273,40
T-832	8	541,22	490	51	33,33%	233,16
Kpz. Erich Konzept I	9	391,02	439	44	31,82%	14,35
Pz.Kpfw. III Ausf. E	3	233,78	266	41	51,22%	619,86
Leox	9	384,78	491	40	37,50%	21,91
MBT-B	10	478,00	595	39	46,15%	119,39
T26E4 SuperPershing	8	357,23	484	39	41,03%	174,96
IS-7	10	1247,50	708	36	47,22%	753,77
M-VII-Y	9	430,75	464	36	30,56%	12,64
IS-6	8	273,06	460	35	42,86%	54,72
TS-60	9	509,57	505	30	36,67%	147,72
WZ-111 Alpine Tiger	8	348,03	548	29	51,72%	229,19
T26E3 Eagle 7	7	287,21	441	28	50,00%	192,22
FV201 (A45)	7	393,86	440	28	35,71%	243,07
Object 777 Version II	9	574,52	459	27	25,93%	192,60
KR-1	11	897,84	551	25	28,00%	237,25
AMX Canon d'assaut 105	8	136,33	394	24	37,50%	12,65
Type 4 Ju-To	7	560,83	533	23	43,48%	434,27
VK 75.01 (K)	8	399,60	498	20	45,00%	216,68
122 TM	8	600,84	644	19	63,16%	625,04
Valentine	3	206,84	238	19	42,11%	528,16
ZŤS Vz.63-1 Ogar	9	212,68	416	19	42,11%	47,54
T110E5	10	669,53	550	17	35,29%	170,59
Löwe	8	388,69	474	16	37,50%	128,91
T803	11	420,33	481	15	26,67%	0,00
Object 590	9	283,79	384	14	21,43%	0,00
M103	9	580,36	629	14	57,14%	417,76
Škoda T 40	6	246,62	463	13	61,54%	382,33
Vickers MBT Mk. 3	10	448,69	620	13	61,54%	293,47
TS-6	9	475,50	567	12	50,00%	223,25
T-44-100	8	296,92	354	12	16,67%	44,60
Type 68	9	437,08	593	12	58,33%	263,52
Object 252U	8	437,00	502	11	36,36%	151,77
ISU-122-2	8	202,40	441	10	60,00%	232,08
Tiger-Maus	9	486,70	560	10	60,00%	323,68
SDT-58 Vlkodav	9	439,70	545	10	50,00%	192,36
T34 B	8	218,90	465	10	50,00%	131,38
Object 703 Version II	8	714,00	638	10	50,00%	536,65
AAT60	8	570,10	462	10	30,00%	268,71
Type 57	8	212,89	407	9	44,44%	76,50
KV-5	8	409,88	502	8	50,00%	267,64
Vercingétorix	9	131,38	427	8	37,50%	6,97
IS-2 shielded	7	742,13	608	8	50,00%	723,64
Strv m/31	3	247,50	444	8	75,00%	666,16
T34	8	308,29	496	7	42,86%	103,20
Turtle Mk. I	8	498,14	548	7	42,86%	224,91
UDES 03 Alt 3	9	430,67	459	6	33,33%	59,29
VK 168.01 Mauerbrecher	8	365,67	534	6	50,00%	230,89
VCS 6x6 TS 90	9	209,33	541	6	66,67%	261,00
Udarniy	8	753,67	532	6	16,67%	433,72
WZ-120G FT	9	293,50	382	6	33,33%	0,00
M3 Stuart	3	140,40	362	5	80,00%	560,30
XM66F	8	381,40	324	5	20,00%	74,91
Lorraine 120 Alby	8	385,80	421	5	40,00%	51,20
Sentinelle	9	289,40	519	5	40,00%	37,21
IS-3	8	699,20	803	5	80,00%	803,92
IS-M	8	0,00	390	4	50,00%	125,77
Kanonenjagdpanzer 2	8	464,50	315	4	25,00%	119,87
SDP wz 66 Grom	8	234,67	142	3	0,00%	0,00
Object 257	9	504,33	405	3	0,00%	144,79
AM 39 Gendron-Somua	2	123,67	249	3	33,33%	204,44
E 77	9	706,33	292	3	0,00%	290,40
Lätt Stridsfordon 120	9	270,33	524	3	66,67%	261,00
T77	8	371,00	676	2	100,00%	345,60
Chrysler MTC 2TC	8	181,50	576	2	100,00%	261,00
Serpente	9	1190,00	185	2	0,00%	525,75
T32	8	700,50	656	2	50,00%	560,84
SZDV Vz. 50	8	762,50	553	2	50,00%	513,73
Centurion Mk. 5/1 RAAC	8	439,50	442	2	50,00%	350,29
WZ-111	8	223,50	221	2	0,00%	0,00
Prototipo 6	8	945,00	390	1	0,00%	524,28

Graphs

WN8

Anzeigen

Clan history

[DFGH] IUYG

Position: Private

Joined: 2026-06-01

serhiy_774

Overall Stats

Globalmap Absolute X

Globalmap Champion VIII

Globalmap Middle VI

Company statistics

Team statistics

Skirmishes statistics

Stronghold defense statistics

Share

Tanks (84)

Graphs

WN8

Clan history