Chuvash2005

Position: Quartermaster

Joined: 2024-04-15

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	3576		27		179		611
Ø Tier	7,51		8,11		8,68		8,76
Victories	1892	52,91%	16	59,26%	94	52,51%	333	54,50%
Defeats	1626	45,47%	10	37,04%	84	46,93%	271	44,35%
Draws	58	1,62%	1	3,70%	1	0,56%	7	1,15%
Battles survived	1026	28,69%	12	44,44%	58	32,40%	200	32,73%
Tanks destroyed	2643	0,74	24	0,89	123	0,69	442	0,72
Destruction ratio	1,04		1,60		1,02		1,08
Tanks spotted	3886	1,09	38	1,41	346	1,93	962	1,57
Damage dealt	1.057,96		1.322,96		1.185,09		1.330,13
Capture points	1544	0,43	15	0,56	67	0,37	252	0,41
Defense points	1054	0,29	0	0,00	0	0,00	47	0,08
Experience	633,54		654,11		717,90		761,99
WN7	1053,41		1257,03		1039,95		1089,12
WN8	1367,12		1794,67		1457,10		1506,94

Total
Battles	3576
Ø Tier	7,51
Victories	1892	52,91%
Defeats	1626	45,47%
Draws	58	1,62%
Battles survived	1026	28,69%
Tanks destroyed	2643	0,74
Destruction ratio	1,04
Tanks spotted	3886	1,09
Damage dealt	1.057,96
Capture points	1544	0,43
Defense points	1054	0,29
Experience	633,54
WN7	1053,41
WN8	1367,12

Past 24 hours
Battles	27
Ø Tier	8,11
Victories	16	59,26%
Defeats	10	37,04%
Draws	1	3,70%
Battles survived	12	44,44%
Tanks destroyed	24	0,89
Destruction ratio	1,60
Tanks spotted	38	1,41
Damage dealt	1.322,96
Capture points	15	0,56
Defense points	0	0,00
Experience	654,11
WN7	1257,03
WN8	1794,67

Past 7 days
Battles	179
Ø Tier	8,68
Victories	94	52,51%
Defeats	84	46,93%
Draws	1	0,56%
Battles survived	58	32,40%
Tanks destroyed	123	0,69
Destruction ratio	1,02
Tanks spotted	346	1,93
Damage dealt	1.185,09
Capture points	67	0,37
Defense points	0	0,00
Experience	717,90
WN7	1039,95
WN8	1457,10

Past 30 days
Battles	611
Ø Tier	8,76
Victories	333	54,50%
Defeats	271	44,35%
Draws	7	1,15%
Battles survived	200	32,73%
Tanks destroyed	442	0,72
Destruction ratio	1,08
Tanks spotted	962	1,57
Damage dealt	1.330,13
Capture points	252	0,41
Defense points	47	0,08
Experience	761,99
WN7	1089,12
WN8	1506,94

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	2		0		0		0
Victories	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Defeats	2	100,00%	0	0,00%	0	0,00%	0	0,00%
Draws	0	0,00%	0	0,00%	0	0,00%	0	0,00%
Battles survived	1	50,00%	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	1	0,50	0	0,00	0	0,00	0	0,00
Damage dealt	579,00		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	73,50		0,00		0,00		0,00

Total
Battles	2
Victories	0	0,00%
Defeats	2	100,00%
Draws	0	0,00%
Battles survived	1	50,00%
Tanks destroyed	0	0,00
Destruction ratio	0,00
Tanks spotted	1	0,50
Damage dealt	579,00
Capture points	0	0,00
Defense points	0	0,00
Experience	73,50

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 (78)

Tank Name	Tier	Ø Damage	Ø XP	Battles	Victories	WN8
Object 430	9	1733,65	771	263	57,03%	1633,24
Obsidian	8	1066,57	663	229	55,02%	1242,05
T49	9	810,22	719	209	53,11%	1154,23
SU-14-1	7	853,02	506	178	46,07%	1175,34
T-103	8	1311,70	680	159	47,80%	1294,62
M41 Walker Bulldog	8	469,46	642	138	56,52%	781,74
T-44	8	1101,12	610	137	47,45%	1375,80
T-44-100	8	1051,90	799	136	60,29%	1347,84
Object 277	10	2100,43	818	133	46,62%	1679,38
IS-3	8	1268,07	738	127	53,54%	1455,54
Object 430U	10	2133,00	883	114	62,28%	1790,21
T-10	9	1644,07	803	109	44,04%	1541,59
T-43	7	875,85	599	103	58,25%	1552,58
Patton the Tank	9	1212,40	680	93	60,22%	1194,96
M6	6	899,40	494	88	52,27%	1456,43
T37	6	404,76	413	84	44,05%	967,67
AE Phase I	9	1520,88	883	82	62,20%	1403,64
IS	7	955,40	642	81	49,38%	1209,93
WZ-111 Alpine Tiger	8	1111,01	801	75	64,00%	1287,37
T71 CMCD	7	487,72	515	71	52,11%	972,74
Pz.Kpfw. IV Ausf. H	5	637,83	375	69	62,32%	1784,12
M18 Hellcat	6	539,06	387	65	38,46%	660,12
T1 Heavy Tank	5	689,83	370	64	40,63%	1444,53
T29	7	1037,68	615	53	47,17%	1251,19
T25/2	7	913,76	647	51	58,82%	1290,85
VK 168.01 (P)	8	1271,52	503	48	39,58%	1334,97
KV-1S	6	733,98	614	47	63,83%	1681,92
T28 Prototype	8	1042,96	703	47	63,83%	1036,30
T-34-85	6	691,15	544	47	61,70%	1409,17
VK 30.02 (M)	6	965,09	684	44	56,82%	2162,48
Rheinmetall Skorpion	8	1128,71	503	35	42,86%	913,63
M41 HMC	5	496,26	432	34	55,88%	809,61
VK 30.01 (P)	6	482,33	380	33	39,39%	580,27
M10 Wolverine	5	489,25	346	32	40,63%	917,28
M24 Chaffee	5	388,33	403	30	70,00%	1592,85
M5 Stuart	4	256,14	235	29	44,83%	930,78
Pz.Kpfw. III Ausf. J	4	449,89	306	28	46,43%	1395,98
T6 Medium	4	294,52	251	25	36,00%	448,61
M8A1	4	436,42	229	24	33,33%	977,75
BT-7	4	138,95	277	22	40,91%	410,31
T-34	5	391,00	282	18	50,00%	936,67
T28 Concept	7	1339,93	871	14	57,14%	2231,61
Jagdpanzer 38(t) Hetzer	4	550,00	277	12	41,67%	1330,25
KV-1	5	587,45	382	11	36,36%	969,49
P.43 bis	6	812,67	506	9	55,56%	1565,98
M44	6	483,38	419	8	50,00%	662,20
T-28	4	361,00	456	4	75,00%	1212,35
Pz.Kpfw. III Ausf. E	3	1852,50	1441	4	100,00%	12674,47
Strv m/40L	3	66,00	90	4	25,00%	0,00
Pz.Kpfw. II Ausf. G	3	556,75	469	4	25,00%	2379,34
KV-1SA	5	834,25	720	4	75,00%	1752,71
M4A1 Revalorisé	8	692,25	373	4	50,00%	591,04
BT-5	3	1369,33	1161	3	100,00%	8488,28
Tiger (P)	7	821,67	587	3	33,33%	715,47
Panther	7	651,00	653	3	66,67%	1093,53
Pz.Kpfw. II	2	584,67	699	3	100,00%	3203,34
T-70	3	1460,33	1230	3	100,00%	10498,58
M4 Improved	5	1275,67	1023	3	33,33%	4644,82
MS-1	1	833,33	661	3	100,00%	6776,28
StuG IV	5	668,50	585	2	50,00%	1778,74
TS-5	8	1403,00	1195	2	100,00%	1332,52
Tiger 131	6	916,00	801	2	50,00%	1807,43
M3 Stuart	3	2019,50	1618	2	100,00%	19324,34
Fiat 3000	1	447,00	467	1	100,00%	3217,69
Kolohousenka	1	621,00	687	1	100,00%	4057,36
Strv fm/21	1	1662,00	1395	1	100,00%	20321,17
SU-122-44	7	1061,00	479	1	0,00%	1477,41
CS-52 LIS	8	1355,00	957	1	100,00%	1316,64
Strv m/38	2	1624,00	1481	1	100,00%	13648,45
T1 Cunningham	1	169,00	318	1	100,00%	1185,32
Loza's M4-A2 Sherman	6	750,00	377	1	0,00%	1039,80
Renault FT	1	672,00	392	1	0,00%	5659,22
Renault Otsu	1	129,00	191	1	100,00%	698,95
4TP	1	760,00	788	1	100,00%	5306,68
T-60	2	1177,00	981	1	100,00%	10049,00
Leichttraktor	1	1288,00	1011	1	100,00%	12443,42
Panzerwagen 39	3	330,00	518	1	100,00%	1143,17
Cruiser Mk. I	1	368,00	392	1	100,00%	1825,95

Graphs

WN8

Anzeigen

Clan history

[ALOE] Aloe is LOvE

Position: Quartermaster

Joined: 2024-04-15

[W_BAD] BAD_WOLVES

Position: Private

Joined: 2023-12-27

Left: 2024-04-10

Chuvash2005

Overall Stats

Globalmap Absolute X

Globalmap Champion VIII

Globalmap Middle VI

Company statistics

Team statistics

Skirmishes statistics

Stronghold defense statistics

Share

Tanks (78)

Graphs

WN8

Clan history