Vulcan2000

[MUG-F] Mastery United Gamers - Frontline Division

Position: Recruit

Joined: 2020-09-19

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	12720		0		0		0
Ø Tier	7,17		0,00		0,00		0,00
Victories	5770	45,36%	0	0,00%	0	0,00%	0	0,00%
Defeats	6701	52,68%	0	0,00%	0	0,00%	0	0,00%
Draws	249	1,96%	0	0,00%	0	0,00%	0	0,00%
Battles survived	3350	26,34%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	6851	0,54	0	0,00	0	0,00	0	0,00
Destruction ratio	0,73		0,00		0,00		0,00
Tanks spotted	7501	0,59	0	0,00	0	0,00	0	0,00
Damage dealt	710,25		0,00		0,00		0,00
Capture points	13208	1,04	0	0,00	0	0,00	0	0,00
Defense points	2502	0,20	0	0,00	0	0,00	0	0,00
Experience	518,14		0,00		0,00		0,00
WN7	642,28		0,00		0,00		0,00
WN8	688,34		0,00		0,00		0,00

Total
Battles	12720
Ø Tier	7,17
Victories	5770	45,36%
Defeats	6701	52,68%
Draws	249	1,96%
Battles survived	3350	26,34%
Tanks destroyed	6851	0,54
Destruction ratio	0,73
Tanks spotted	7501	0,59
Damage dealt	710,25
Capture points	13208	1,04
Defense points	2502	0,20
Experience	518,14
WN7	642,28
WN8	688,34

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	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 30 days
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

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	167		0		0		0
Victories	47	28,14%	0	0,00%	0	0,00%	0	0,00%
Defeats	109	65,27%	0	0,00%	0	0,00%	0	0,00%
Draws	11	6,59%	0	0,00%	0	0,00%	0	0,00%
Battles survived	36	21,56%	0	0,00%	0	0,00%	0	0,00%
Tanks destroyed	63	0,38	0	0,00	0	0,00	0	0,00
Destruction ratio	0,48		0,00		0,00		0,00
Tanks spotted	96	0,57	0	0,00	0	0,00	0	0,00
Damage dealt	470,50		0,00		0,00		0,00
Capture points	168	1,01	0	0,00	0	0,00	0	0,00
Defense points	53	0,32	0	0,00	0	0,00	0	0,00
Experience	301,65		0,00		0,00		0,00

Total
Battles	167
Victories	47	28,14%
Defeats	109	65,27%
Draws	11	6,59%
Battles survived	36	21,56%
Tanks destroyed	63	0,38
Destruction ratio	0,48
Tanks spotted	96	0,57
Damage dealt	470,50
Capture points	168	1,01
Defense points	53	0,32
Experience	301,65

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 (79)

Tank Name	Tier	Ø Damage	Ø XP	Battles	Victories	WN8
Strv S1	8	1053,31	578	1753	46,26%	907,00
Tiger 131	6	506,31	495	1498	46,93%	658,11
Rheinmetall Skorpion G	8	1002,58	627	797	50,06%	886,77
KV-85	6	448,03	443	572	45,80%	550,82
IS	7	675,46	552	536	45,15%	734,89
T30	9	1098,15	564	531	42,75%	706,51
M18 Hellcat	6	616,53	493	529	49,34%	938,07
WZ-120-1G FT	8	1006,12	641	484	45,87%	879,98
112	8	653,07	587	453	39,51%	475,13
Rheinmetall Skorpion	8	917,10	591	422	46,68%	750,91
KV-1S	6	291,89	385	372	47,31%	333,37
T110E4	10	1270,23	545	323	39,32%	663,49
AMX M4 mle. 49	8	660,47	610	308	47,08%	578,85
IS-3	8	634,66	552	306	42,16%	467,63
VK 30.01 (H)	5	295,99	343	303	45,21%	498,31
T-50-2	6	210,07	535	289	50,52%	403,24
T26E4 SuperPershing	8	663,73	596	270	44,07%	604,81
Object 257	9	893,35	607	198	44,44%	612,67
T28 Prototype	8	803,39	570	195	51,79%	694,12
VK 30.02 (M)	6	370,99	426	181	44,75%	497,29
T26E5	8	465,76	550	156	42,31%	290,85
Pz.Kpfw. III Ausf. E	3	127,98	222	139	43,17%	207,44
IS-2M	7	652,77	566	130	47,69%	622,11
Dicker Max	6	647,90	504	129	51,94%	1103,00
T-28	4	123,42	154	125	41,60%	123,95
Object 705	9	1098,00	618	119	39,50%	752,68
Strv 103-0	9	788,55	516	110	50,00%	506,46
Durchbruchswagen 2	4	120,73	147	102	37,25%	74,13
IS-M	8	717,49	580	97	45,36%	660,53
UDES 15/16	10	829,36	461	90	30,00%	297,26
KV-1	5	76,51	181	87	40,23%	10,73
IS-7	10	1117,71	594	84	34,52%	574,34
T25/2	7	485,14	447	80	46,25%	479,18
Object 268	10	1381,71	500	65	29,23%	669,36
T-46	3	124,52	140	65	43,08%	304,10
T-70	3	80,83	114	64	37,50%	34,21
Object 705A	10	1099,25	568	60	36,67%	556,53
Super Hellcat	7	672,03	525	58	46,55%	769,22
UDES 03	8	963,46	598	54	51,85%	915,24
Pz.Kpfw. III Ausf. J	4	168,30	276	53	39,62%	262,67
Ikv 90 Typ B	7	629,75	544	51	52,94%	851,60
Somua SM	8	595,62	504	50	36,00%	300,36
T69	8	499,13	497	48	43,75%	362,53
T14	5	422,26	534	35	48,57%	681,37
E 75 TS	8	702,12	477	34	29,41%	443,25
M4A3E8 Thunderbolt VII	6	418,00	387	29	24,14%	458,98
Leichttraktor	1	59,15	130	27	44,44%	64,77
StuG III Ausf. B	4	518,61	366	23	39,13%	1329,50
Ikv 65 Alt II	6	602,73	459	22	54,55%	985,59
Object 252U Defender	8	754,14	645	22	59,09%	684,60
UDES 16	9	788,32	521	19	36,84%	425,35
M24E2 Super Chaffee	6	233,44	543	18	55,56%	549,91
E 25	7	539,73	510	15	60,00%	657,72
T-60	2	42,60	119	15	53,33%	100,06
T-26	2	59,07	85	15	26,67%	30,07
Pz.Kpfw. II	2	89,36	123	14	35,71%	139,23
T-34 shielded	5	290,71	312	14	35,71%	423,99
T56 GMC	3	92,08	168	12	41,67%	51,90
Cromwell B	6	327,00	435	8	50,00%	391,52
Jagdpanzer 38(t) Hetzer	4	121,43	135	7	14,29%	42,33
M4A1 Sherman	5	298,00	323	6	33,33%	528,85
MS-1	1	84,60	133	5	40,00%	212,64
Lago	4	201,40	323	5	60,00%	584,96
T1 Cunningham	1	19,60	85	5	60,00%	161,35
T-80	4	76,25	292	4	25,00%	10,79
FV4202	8	744,00	362	4	25,00%	580,52
TKS z n.k.m. 20 mm	2	71,33	167	3	66,67%	359,56
Pz.Kpfw. IV Ausf. A	3	101,00	259	3	66,67%	302,11
MTLS-1G14	3	372,33	447	3	33,33%	1274,21
MKA	2	161,33	443	3	100,00%	677,32
Löwe	8	338,00	797	2	50,00%	193,19
Type 63	8	68,00	451	2	50,00%	135,06
Renault Otsu	1	14,50	93	2	100,00%	261,00
KV-2	6	0,00	60	2	0,00%	0,00
T6 Medium	4	505,50	426	2	50,00%	1260,62
Leo	7	0,00	128	1	0,00%	0,00
Valiant	5	108,00	105	1	0,00%	0,00
VK 45.03	7	221,00	180	1	0,00%	0,00
Vickers Medium Mk. I	1	0,00	70	1	100,00%	261,00

Graphs

WN8

Anzeigen

Clan history

[MUG-F] Mastery United Gamers - Frontline Division

Position: Recruit

Joined: 2020-09-19

[MUG-F] Mastery United Gamers - Frontline Division

Position: Recruit

Joined: 2020-09-19

[MUG-T] Mastery United Gamers Tough Old Guys

Position: Recruitment officer

Joined: 2018-04-24

Left: 2020-09-15

Vulcan2000

Overall Stats

Globalmap Absolute X

Globalmap Champion VIII

Globalmap Middle VI

Company statistics

Team statistics

Skirmishes statistics

Stronghold defense statistics

Share

Tanks (79)

Graphs

WN8

Clan history