Chronology of the Imperium

This is a combined list of the important events in the histories of the major races in and around the Imperium.  Equivalent dates are shown side by side from each race's dating system.  Dates in the distant past (which are only approximations anyway) have been rounded off; otherwise, all dates are accurate to within one year.

Imperial
Aslan
K'Kree
Vilani
(- = PI,
+ = VI)
Solomani
(- = BC,
+ = AD)
Zhodani
Event
-500,k
-560,k
-400,k
-380,k
495,k
-220,k
Ancient cities arise
-400,k
-530,k
-325,k
-300,k
395,k
-170,k
Ancients thrive. Humans transplanted
-300,k
-340,k
-240,k
-225,k
295,k
-130,k
Final War (lasting 2000 yrs) destroys Ancients
-200,k
-225,k
-160,k
-150,k
195,k
-85,k
Homo Zhdotlas arises on Zhodane
-75,k
-85,k
-55,k
-55,k
70,k
-30,k
Droyne ascendance on several worlds
-20,k
-20,k
-10,k
-12,k
15,k
-6,k
Ancients' warbots on Vland finally run down
-15,k
-15,k
-5,500
-8,500
10,500
-3,500
Rise of modern Homo Sapiens
-11,k
-10,k
-2,300
-5,300
6,500
-1,800
Flowering of Vilani culture
-10011
-9042
-1543
-4547
5493
-1446.1
First Vilani space explorations
-9900
-8916
-1450
-4462
5382
-1397.1
Scientific bases established in Vland system
-9400
-8345
-1034
-4081
-4882
-1176.1
Vilani sublight interstellar colonization
-9310 -8243 -959 -4013 -4792 -1136.1 Vilani discover non-Vilani human civilization
-9235
-8157
-897
-3955
-4717
-1103.1
Vilani discover Jump drive
-8590
-7421
-360
-3464
-4072
-817.3
Zhodani discover printing press
-8500
-7319
-285
-3395
-3982
-778.1
Zhodani develop elementary psionics
-7980
-6726
147
-2999
-3462
-548.1
First Zhodani space explorations
-7945
-6686
176
-2972
-3427
-532.3
Plague on Zhodane
-6800
-5380
1129
-2099
-2282
-25.2
Zhodani recovery
-6731
-5301
1186
-2046
-2213
1.1
First Psionic Games.  Zhodani calendar begins
-6200
-4695
1628
-1641
-1682
238.3
First Zhodani planetary missions
-6000
-4467
1795
-1489
-1482
327.1
First Zhodani sublight interstellar flights
-5823
-4265
1942
-1354
-1305
405.2
Zhodani Consulate established
-5430
-3817
2269
-1054
-912
579.1
Vilani develop Jump-2 drive
-5415
-3800
2282
-1043
-897
585.3
Zhodani discover Jump drive
-5400
-3783
2294
-1032
-882
592.2
Start of Vilani consolidation wars
-4698
-2982
2879
-496
-180
902.3
Hivers develop inferior Jump drive
-4520
-2779
3027
-361
1
981.2
Terran dating system begins
-4404
-2646
3123
-272
114
1032.3
Vega absorbed by Vilani
-4305
-2534
3206
-197
213
1076.2
K'Kree unification of homeworld
-4212
-2348
3283
-126
306
1117.2
Hivers discover standard Jump drive
-4142
-2348
3341
-72
376
1148.2
K'Kree discover Jump drive
-4045
-2237
3422
1
473
1191.2
Consolidation Wars end; Ziru Sirka founded
-4000
-2186
3459
35
518
1211.1
Vilani stop exploring. First Zhodani core mission
-3810
-1969
3618
180
708
1295.1
Vargr discover Jump drive
-3500
-1615
3876
416
1018
1432.2
First Imperium reaches greatest height
-2800
-817
4458
950
1718
1741.3
First Zhodani contact with Vargr
-2559
-542
4659
1133
1959
1848.2
First Solomani space explorations
-2460
-429
4741
1209
2058
1892.1
Solomani bases throughout solar system
-2431
-396
4765
1231
2087
1904.3
Solomani discover Jump drive
-2424
-388
4771
1236
2094
1908.1
Solomani visit Barnard's Star
-2422
-386
4773
1238
2096
1908.3
First contact with Vilani
-2408
-370
4784
1249
2110
1915.1
First Interstellar War ends
-2400
-360
4791
1255
2118
1918.3
Vargr pillaging starts
-2398
-358
4793
1256
2120
1919.2
Terran Confederation established
-2389
-348
4800
1263
2129
1923.2
Terran Navy uses artificially intelligent robots
-2235
-172
4928
1380
2283
1991.2
Nth Interstellar War starts
-2219
-154
4942
1393
2299
1998.3
Nth Interstellar War ends
-2204
-137
4954
1404
2314
2005.1
Terran Confederation ends; Rule of Man begins
-2190
-121
4966
1415
2328
2011.2
Aslan First World War
-2160
-87
4991
1438
2358
2024.3
Aslan Nuclear War
-2136
-59
5011
1456
2382
2035.2
First Aslan space explorations
-2083
0
5055
1496
2435
2058.3
Formation of the Tlaukhu. Aslan calendar begins
-2074
10
5062
1503
2444
2062.3
Fleeing Vilani colonize Trojan Reaches
-2045
43
5087
1525
2473
2075.2
First contact between K'Kree and Hivers
-2038
51
5092
1531
2480
2078.3
K'Kree occupy several Hiver worlds
-2029
62
5100
1537
2489
2082.3
Hiver-K'Kree War begins
-2023
69
5105
1542
2495
2085.2
Hive Federation established. Navy built
-2018
74
5109
1546
2500
2087.2
Hiver manipulations of K'Kree worlds start
-2013
80
5113
1550
2505
2089.3
Hiver-K'Kree War ends
-2000
95
5124
4560
2518
2095.2
First Zhodani contact with Vilani traders
-1999
96
5125
1560
2519
2095.3
Aslan develop Jump drive
-1980
118
5141
1575
2538
2104.2
First Aslan contact with humans
-1802
321
5289
1711
2716
2183.1
First human contact with Hivers
-1776
350
5310
1730
2742
2194.2
Collapse of Rule of Man. Long Night begins
-1700
437
5374
1788
2818
2228.1
Vargr pillaging ends
-1690
448
5382
1796
2828
2232.2
Terran Merchantile Community established
-1658
485
5409
1820
2860
2246.3
Sack of Gashilean. Vargr Enclaves settled
-1526
635
5519
1921
2292
2305.1
Interstellar trade ceases.  Long Night deepens
-1511
653
5531
1932
3007
2311.3
Solomani traders contact Darrians
-1118
1101
5858
2232
3400
2485.2
First Aslan Border War begins
-1110
1110
5865
2238
3408
2488.3
Old Earth Union created
-1044
1185
5920
2288
3474
2518.1
Aslan first cross Great Rift
-1000
1235
5956
2322
3518
2537.2
Zhodani Consulate reaches present size
-924
1322
6020
2380
3594
2571.1
Darrians reach TL16. Sun destablizes
-650
1635
6248
2589
3868
2692.2
Sylean Federation established
-630
1658
6264
2604
3888
2701.1
Island sectors colonized
-399
1921
6457
2780
4119
2803.1
Sword World colonization begins
-200
2148
6622
2932
4318
2891.1
First human contact with K'Kree
-186
2164
6634
2943
4332
2897.2
First Sword World Confederation
-110
2251
6697
3001
4408
2931.1
Shudusham Concords
-30
2342
6764
3062
4488
2966.2
Cleon's Campaign begins
0
2376
6788
3084
4518
2979.3
Third Imperium established. Imperial dating system begins
50
2433
6830
3123
4568
3001.3
First Zhodani contact with Imperial traders
60
2445
6839
3130
4578
3006.1
Colonization of Spinward Marches begins
76
2463
6852
3142
4594
3013.1
Pacification Campaigns begin
114
2506
6884
3171
4632
3030.1
Solomani Hypothesis proposed
120
2513
6889
3176
4638
3032.3
Pacification Campaigns end
148
2545
6912
3197
4666
3045.1
Scouts recontact Darrians
210
2616
6963
3245
4728
3072.2
Vargr Campaigns begin
348
2773
7078
3350
4866
3133.2
Vargr Corridor campaigns end
380
2810
7105
3374
4898
3147.3
Peace of Ftahalr. Imperial-Aslan border established
404
2837
7125
3392
4922
3158.1
First Shudusham Robotics Conference
420
2855
7138
3405
4938
3165.2
First Survey of Imperium completed
426
2862
7143
3409
4944
3168.1
Easter Concordat absorbed into Imperium
461
2902
7172
3436
4979
3183.2
First Aslan contact with Zhodani
475
2918
7184
3447
4993
3189.63
Empress Nichole assassinated
489
2934
7196
3457
5007
3195.3
Hive capital moved to Glea
500
2947
7205
3466
5018
3200.3
Imperial explorations into Zhodani territory
588
3047
7278
3533
5106
3239.2
Terra incorporated into Imperium
589
3048
7279
3533 5107 3240.1 First Frontier War starts
604
3065
7291
3545
5122
3146.3
First Frontier War ends. Beginning of Civil War
606
3067
7293
3546
5124
3247.2
Plankwell murders Jacqueline I
615
3078
7301
3553
5133
3251.2
Second Frontier War begins
620
3083
7305
3557
5138
3253.3
Second Frontier War ends
622
3086
7306
3559
5140
3254.3
End of Civil War
624
3088
7308
3560
5142
3255.2
Xboat system established
679
3151
7354
3602
5197
3279.3
Solomani power broken at court
704
3179
7375
3621
5222
3290.3
Solomani Autonomous Region created
718
3195
7386
3632
5236
3297.1
Xboat system covers entire Imperium
750
3232
7413
3656
5268
3311.1
Seventh Zhodani core expedition
799
3288
7454
3694
5317
3332.3
Crisis of '99
800
3289
7454
3694
5318
3333.2
Psionics Suppressions begin
826
3318
7476
3714
5344
3344.3
Psionics Suppressions end
852
3348
7498
3734
5370
3356.2
Current Sword Worlds government established
871
3370
7514
3748
5389
3364.3
Solomani Confederation established
940
3448
7571
3801
5458
3395.1
Confederation friction with the Imperium
950
3460
7579
3809
5468
3399.3
Solomani reintegrated into Imperium
979
3493
7603
3831
5497
3412.2
Third Frontier War begins
986
3501
7609
3836
5504
3415.2
Third Frontier War ends
990
3505
7613
3839
5508
3417.2
Solomani Rim War begins
998
3515
7619
3845
5516
3420.3
Imperial advance to core of Solomani Sphere
1002
3519
7623
3848
5520
3422.3
Siege of Terra. Solomani Rim War ends
1005
3523
7625
3851
5523
3424.1
Solomani Home Guard created
1040
3563
7654
3877
5558
3439.2
Destruction of Phoenix Project begins
1045
3568
7658
3881
5563
3441.3
Destruction of Phoenix Project ends
1065
3591
7675
3896
5583
3450.2
Second Survey of the Imperium completed
1082
3610
7689
3909
5600
3458.1
False War (Fourth Frontier War) begins
1084
3613
7691
3911
5602
3458.3
False War (Fourth Frontier War) ends
1108


3929
5626

Treaty of Quar signed
1110
3642
7713
3931
5628
3470.2
Strephon ratifies Treaty of Quar

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