Shock_k1

Position: Private

Joined: 2024-10-21

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	4620		7		86		427
Ø Tier	8,52		9,00		9,12		8,81
Victories	2096	45,37%	3	42,86%	40	46,51%	201	47,07%
Defeats	2446	52,94%	4	57,14%	46	53,49%	223	52,22%
Draws	78	1,69%	0	0,00%	0	0,00%	3	0,70%
Battles survived	1386	30,00%	3	42,86%	34	39,53%	158	37,00%
Tanks destroyed	2837	0,61	5	0,71	69	0,80	326	0,76
Destruction ratio	0,88		1,25		1,33		1,21
Tanks spotted	3508	0,76	5	0,71	60	0,70	324	0,76
Damage dealt	979,38		1.218,14		1.147,33		1.113,64
Capture points	2886	0,62	0	0,00	0	0,00	34	0,08
Defense points	1144	0,25	0	0,00	0	0,00	288	0,67
Experience	622,10		665,71		656,53		652,77
WN7	712,81		730,87		795,44		874,72
WN8	788,70		473,98		811,35		950,06

Total
Battles	4620
Ø Tier	8,52
Victories	2096	45,37%
Defeats	2446	52,94%
Draws	78	1,69%
Battles survived	1386	30,00%
Tanks destroyed	2837	0,61
Destruction ratio	0,88
Tanks spotted	3508	0,76
Damage dealt	979,38
Capture points	2886	0,62
Defense points	1144	0,25
Experience	622,10
WN7	712,81
WN8	788,70

Past 24 hours
Battles	7
Ø Tier	9,00
Victories	3	42,86%
Defeats	4	57,14%
Draws	0	0,00%
Battles survived	3	42,86%
Tanks destroyed	5	0,71
Destruction ratio	1,25
Tanks spotted	5	0,71
Damage dealt	1.218,14
Capture points	0	0,00
Defense points	0	0,00
Experience	665,71
WN7	730,87
WN8	473,98

Past 7 days
Battles	86
Ø Tier	9,12
Victories	40	46,51%
Defeats	46	53,49%
Draws	0	0,00%
Battles survived	34	39,53%
Tanks destroyed	69	0,80
Destruction ratio	1,33
Tanks spotted	60	0,70
Damage dealt	1.147,33
Capture points	0	0,00
Defense points	0	0,00
Experience	656,53
WN7	795,44
WN8	811,35

Past 30 days
Battles	427
Ø Tier	8,81
Victories	201	47,07%
Defeats	223	52,22%
Draws	3	0,70%
Battles survived	158	37,00%
Tanks destroyed	326	0,76
Destruction ratio	1,21
Tanks spotted	324	0,76
Damage dealt	1.113,64
Capture points	34	0,08
Defense points	288	0,67
Experience	652,77
WN7	874,72
WN8	950,06

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 (75)

Tank Name	Tier	Ø Damage	Ø XP	Battles	Victories	WN8
FV4005 Stage II	10	1112,70	549	729	44,31%	644,28
Progetto M35 mod. 46	8	905,19	603	468	43,59%	788,64
ELC EVEN 90	8	430,42	644	283	47,70%	713,37
Bat.-Châtillon Bourrasque	8	998,08	695	274	48,91%	1034,17
DBV-152	10	1539,61	620	251	42,23%	842,01
XM57	8	1254,26	709	170	44,12%	945,98
Ho-Ri 3	10	1463,03	640	151	45,03%	789,14
TS-5	8	808,64	618	150	50,67%	631,19
DZT-159	9	1189,09	712	124	47,58%	796,59
Type 59 First Warrior	8	841,45	645	108	42,59%	736,66
Forest Spirit	8	1188,28	663	106	46,23%	1018,35
Turtle Mk. I	8	1208,97	782	100	52,00%	1124,45
T 54D	9	958,97	616	95	40,00%	639,03
Manticore	10	603,44	654	93	46,24%	541,58
FV4004 Conway	9	881,27	544	84	44,05%	554,46
M10 RBFM	5	694,83	625	81	44,44%	1296,99
GSOR3301 AVR FS	9	349,68	569	79	41,77%	267,79
Leichter Kpz. 70 (K)	8	525,47	624	77	50,65%	724,31
Charioteer	8	659,51	535	73	57,53%	616,73
Char Futur 4	9	1352,74	664	57	38,60%	931,02
Rheinmetall Skorpion	8	1052,20	533	56	28,57%	757,93
Ho-Ri 1	9	1303,41	703	54	46,30%	862,24
Carro da Combattimento 45 t	10	1364,17	640	52	38,46%	724,62
M12	7	505,23	519	47	46,81%	469,36
Cobra	9	1314,07	740	44	50,00%	1012,41
Ho-Ri 2	8	883,02	605	43	48,84%	800,81
Object 252U	8	1078,10	741	42	47,62%	940,54
Jagdtiger Prototype	8	962,43	606	40	37,50%	620,72
Chi-To SP	7	1087,75	710	40	47,50%	1126,20
AltProto AMX 30	8	873,08	719	38	52,63%	923,98
M44	6	287,58	384	38	44,74%	251,52
AAT60	8	1087,51	700	37	51,35%	1021,97
T29	7	776,41	556	32	37,50%	680,04
Waffenträger auf E 100	10	1094,58	579	31	48,39%	553,97
SU-130PM	8	898,86	608	28	42,86%	659,86
Gonsalo	8	820,04	699	28	60,71%	687,13
VK 75.01 (K)	8	981,04	742	26	42,31%	871,37
Super Hellcat	7	1151,72	742	25	60,00%	1858,12
Stinger	10	1410,54	705	24	50,00%	763,31
Char Murat	9	1188,79	659	24	45,83%	892,11
Pz.Kpfw. IV Ausf. H	5	540,56	448	18	38,89%	1230,92
T1 Heavy Tank	5	433,50	423	18	38,89%	593,95
GSOR the TANK	9	1029,89	563	18	33,33%	663,55
K-2	8	912,47	661	17	47,06%	741,28
AMBT	8	1090,33	682	15	40,00%	944,96
T110E5	10	1054,71	660	14	42,86%	603,18
Pz.Kpfw. III Ausf. J	4	599,92	504	13	61,54%	2054,63
Felice	9	939,77	722	13	61,54%	821,54
KV-5	8	579,69	584	13	38,46%	330,26
FV226 Contradictious	8	909,33	570	12	33,33%	550,18
Type 3 Ho-Ni III	5	634,42	436	12	50,00%	1355,19
Achilles	6	756,92	544	12	33,33%	1124,97
M24E2 Super Chaffee	6	234,00	501	11	72,73%	584,73
M103	9	897,36	592	11	36,36%	506,30
WZ-111 model 6	8	1156,90	725	10	50,00%	917,91
Challenger	7	832,80	635	10	50,00%	1067,55
VK 45.03	7	1081,00	693	10	30,00%	1119,77
Toro	9	1025,20	571	10	30,00%	559,69
Škoda T 56	8	1327,20	984	10	80,00%	1232,67
ARMT	5	431,20	466	10	50,00%	778,27
SU-85I	5	775,25	616	8	37,50%	1446,01
SU-100I	5	633,71	436	7	28,57%	767,11
56TP	8	690,43	516	7	28,57%	368,61
Pz.Kpfw. IV Schmalturm	6	561,33	545	6	50,00%	905,45
AMX Canon d'assaut 105	8	693,83	794	6	83,33%	678,34
Gabler’s Destroyer	5	182,00	364	5	20,00%	224,06
Covenanter	5	203,40	263	5	20,00%	380,49
A25 Harry Hopkins I	4	311,00	377	3	0,00%	581,39
M4A3E8 Sherman	6	484,00	453	3	33,33%	642,14
WZ-111	8	719,67	918	3	66,67%	779,25
Cromwell B	6	526,50	766	2	100,00%	981,64
Straussler V–4/40	3	279,50	312	2	0,00%	826,95
M6	6	402,00	252	2	0,00%	335,91
Tiger 131	6	629,00	293	1	0,00%	657,81
Object 703 Version II	8	385,00	395	1	0,00%	78,95

Graphs

WN8

Anzeigen

Clan history

[IIN] ДРУЗІ KRASKIIN

Position: Private

Joined: 2024-10-21

[IIN] ДРУЗІ KRASKIIN

Position: Private

Joined: 2024-10-21

Left: 2024-12-24

[UKR_2] CLONE UKR-G

Position: Junior officer

Joined: 2024-08-05

Left: 2024-10-16

[IIN] ДРУЗІ KRASKIIN

Position: Recruit

Joined: 2024-08-01

Left: 2024-08-04

Shock_k1

Overall Stats

Globalmap Absolute X

Globalmap Champion VIII

Globalmap Middle VI

Company statistics

Team statistics

Skirmishes statistics

Stronghold defense statistics

Share

Tanks (75)

Graphs

WN8

Clan history