I was suprised to see a heading "Dates of Prophetic Significance" in the 1986-2010 Watchtower Index, and even more suprised at the content. I wonder how many JWs know this. Anything missing (hint, hint: 1975)? Here's what's in the index's for modern day and beyond:
DATES OF PROPHETIC SIGNIFICANCE
1873, once held to be end of 6,000 years of human history: jv 631, 633
1874, once held to be start of Christ’s presence: jv 46-47, 133, 631-632
1878, once held to be year of Christ’s enthronement: jv 632-633
1881, once held to be year when heavenly calling would end: jv 632
1914, 1,260 days begin (Re 11:3): re 164; w94 8/1 31; w93 11/1 9-10
“appointed times of the nations” end (Lu 21:24): w06 7/15 6-7; bh 215-218; w04 2/1 19-20; ca01 5; jv 134-142, 635-636
“forty-two months” begin (Re 11:2; 13:5): re 162-164, 192
fulfillment of transfiguration vision begins (Mt 17; Mr 9; Lu 9): w97 5/15 11
heavenly woman bears son (Re 12:1-5): re 177-180
Jehovah comes “as a strong one” (Isa 40:10): ip-1 406
Kingdom established: w06 7/15 6-7; bh 84-85; jv 138-139; Lmn 23-24
king of the north ‘comes against the south’ (Da 11:29): dp 261-262, 264; w93 11/1 14
‘kings take stand against Jehovah and his anointed’ (Ps 2:1, 2): w90 7/1 27-28
last days begin: rs 239-240
Lord’s day begins (Re 1:10): re 22, 24; w03 5/15 10
‘root of Jesse will stand up’ (Isa 11:10): ip-1 165-166
‘sacred secret brought to a finish’ (Re 10:7): re 171-172; w90 1/15 20
“seven times” end (Da 4): w06 7/15 6-7; re 22, 24; bh 216-218; dp 96-97, 301; kl 97; pe 138-141; rs 95-97; it-1 134-135; w86 11/1 4-7
Shiloh receives right to “obedience of the peoples” (Ge 49:10): w02 10/1 19
“the time appointed” (Da 11:29): dp 261; w93 11/1 13-14
‘time, times, and half a time’ begin (Da 7:25; 12:7): dp 142-143, 294-296; w94 8/1 31; w93 11/1 9-10
“times of restoration” begin (Ac 3:21): bt 31; cl 77-78; w87 3/1 28-29
1918, 1,260 days end (Re 11:3): w94 8/1 31; w93 11/1 9-10
‘constant feature removed’ (Da 12:11): dp 297-298; w93 11/1 10-11
heavenly resurrection may begin: w07 1/1 28; re 103; w88 10/15 12
“holy ones” are conquered (Re 13:7): re 192
Jehovah cleanses temple (Isa 66:6): ip-2 396-397
judgment begins with “house of God” (1Pe 4:17): re 31-32, 260; w04 3/1 16
king of the north “dejected” (Da 11:30): dp 264; w93 11/1 14
master of slaves having talents comes to settle accounts (Mt 25:19): w04 3/1 16
silence in heaven, incense offered (Re 8:1, 3, 4): w09 1/15 32; re 129-131
‘time, times, and half a time’ end (Da 7:25; 12:7): dp 143, 294-296; w94 8/1 31; w93 11/1 10
‘true Lord and messenger of the covenant’ come to spiritual temple (Mal 3:1): w10 3/15 23; w07 4/1 22; w07 12/15 27-28; jd 179-182; re 31-32, 55-56; w92 12/1 13; w89 4/15 7; w89 7/1 30; w87 6/15 14-15
“two witnesses” killed (Re 11:3, 7): re 167-168
1919, 1,260 days begin (Re 12:6, 14): re 183-184
1,290 days begin (Da 12:11): dp 300; w93 11/1 10-11
144,000 begin “singing as if a new song” (Re 14:3): re 200
antitypical Festival of Booths resumes: w96 7/1 24
Babylon the Great falls (Re 14:8; 18:2): re 205-206, 209, 259-261; w89 5/1 3-5; w88 12/15 20-21
birth of new nation (Isa 66:8): re 183-184; ip-2 397-400; w94 1/15 14
‘disgusting thing placed’ (Da 12:11): dp 300; w93 11/1 10-11
“faithful and discreet slave” ‘appointed over master’s belongings’ (Mt 24:47): w04 3/1 12; wt 131
faithful slaves ‘appointed over many things’ (Mt 25:21, 23): w04 3/1 17
‘fire hurled to earth’ (Re 8:5): w09 1/15 32; re 131-132
‘four angels untied’ (Re 9:15): re 149-151; w88 12/15 13
“harvest of the earth” begins (Re 14:14-16): re 211-212
Jehovah’s chariotlike heavenly organization gets in touch with Ezekiel class (Eze 1): w91 3/15 11
Jehovah’s spirit begins to be poured out on remnant (Joe 2:28, 29): w98 5/1 14-15
“key of the house of David” placed on shoulder of remnant (Isa 22:22): w09 1/15 31
locusts swarm from abyss (Re 9): re 143-148; w89 4/1 17-18; w88 12/15 12-13
“opened door” set before remnant (Re 3:8): re 60-65
remnant “come quivering to Jehovah” (Hos 3:5): w91 8/15 17
remnant eat “little scroll” (Re 10:8-11): re 159-160
remnant figuratively resurrected: re 169-170; dp 290-291; w88 10/15 13; w87 7/1 21-23
remnant freed from Babylon the Great: ip-2 74; ip-1 400-401; w89 5/1 4-5
remnant ‘hold possession of land’ (Isa 60:21): w02 7/1 18; ip-2 319-320
remnant refined (Isa 1:24-27): ip-1 32-34
remnant restored to spiritual paradise: ip-1 380; w91 5/15 16
remnant step before “waters” of mankind (Jos 3:15-17): w86 12/15 13
virgins hear cry, “Here is the bridegroom!” (Mt 25:6): w04 3/1 14
“Way of Holiness” opened (Isa 35:8): ip-1 380-381; ws 132-134
“your God has become king” begins to be declared (Isa 52:7): ip-2 187
1922, 1,260 days end (Re 12:6, 14): re 184
1,290 days end (Da 12:11): dp 300, 303; w93 11/1 11
1,335 days begin (Da 12:12): dp 303; w93 11/1 11
cavalry charge begins (Re 9:16-19): re 152
flood of persecution begins: re 183-186
seven bowls begin to be poured out (Re 15, 16): re 220, 223
seven trumpets begin to sound (Re 8-11): w09 1/15 32; re 133, 149, 152; w90 4/1 31
1925, once held to be year when “ancient worthies” would be resurrected and remnant would receive heavenly reward: w93 11/1 11-12; jv 78, 632-633
1926, 1,335 days end (Da 12:12): dp 303-304; w93 11/1 11-12
1931, once held to be end of calling to heavenly hope: w07 5/1 30
1933, king of the north ‘hurls denunciations against holy covenant’ (Da 11:30): dp 265; w93 11/1 14
1938, 2,300 days begin (Da 8:14): dp 177-178
1939, ‘arms stand up, proceeding from king of the north’ (Da 11:31): dp 265-266; w93 11/1 15
1939-1945, ‘constant feature removed’ in lands of king of the north (Da 11:31): dp 267, 298; w93 11/1 15
1944, 2,300 days end (Da 8:14): w01 1/15 28; dp 178-179
1945, ‘disgusting thing placed’ (Da 11:31): dp 267, 269; w93 11/1 15-16
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Here's the 1930-1985 Index version (not as interesting, but does show a number of dates that were no longer considered worth of mention after 1986):
1914: w85 2/1 11; ce 227-229; w84 4/1 5-8; w84 12/1 16-17; su 24-29; w83 1/1 11; w83 8/1 22-27; w82 5/1 13-15; w80 3/1 16; w79 9/15 23-24; w78 3/1 23-26; w77 395; go 88; w76 754; gh 146-147, 153; hs 142, 147; w75 621; sl 41-42, 103-104, 190, 316; og 25; w73 645; ka 186, 259-261; tp73 74-76; g73 10/8 17-18; w72 324, 351; pm 331, 368-369; w71 467-468; kj 34, 73, 88, 105, 129, 176, 233-235, 306, 346, 352-354, 356-357; w70 686; fm 30, 33, 96, 104, 263, 284; w66 615-620; kd 8-17; im 322-326; g65 6/8 28; w64 77, 478, 651, 745; bf 457, 502, 505; w61 360, 621; ns 305-306, 315; nu 21; w60 309-312, 461-462; mn 23-24; w58 634-636; yw 126, 179-181, 342; w56 614-615; sr55 134; w54 709-712; w53 273-274; nh 264; w52 271-274; lg 250-255; w51 409-410; w50 513-514; w49 148-150, 329-332; w46 198; pn 20-22; w45 308-309; w43 196, 212; tf 239-241; w42 56; w39 165; ch 211, 263; w35 83; w34 6; jh 238-239; w33 216; v-2 231; w31 53, 324, 357; lt-1-30 199
1918: w85 2/1 17; w79 6/15 29; w70 688; fm 145, 263; w67 345; w66 182-183; w64 416; bf 459, 503; w61 717; ns 315-316, 362; w60 249-250, 436, 462; w59 506; jp 79; w58 463-464; yw 181, 331-332; w55 695; sr55 103-106; nh 222, 317-318; w51 409-410, 600; w47 197-198; w44 228, 332; tf 300-304, 324; w42 88; w41 79; w39 36; w37 205-206; w36 84-86, 283, 363; ch 67, 211; w34 93; jh 41, 273; w33 139, 167, 199-200, 203, 212-213, 216, 228, 246; pp 15-17, 259; w32 29; v-2 231; v-3 114-118, 175-176; w31 268, 325-326, 379; v-1 119; lt-1-30 199, 205
1919: w85 2/1 17-18; w85 10/15 11; w82 7/1 18-25; w78 6/1 23; go 137; w76 157, 187-188, 663; hs 146; sl 127, 134, 164, 190; w71 239; kj 53, 207-208, 300-301, 311, 317-318, 320, 323, 325, 342, 346-347, 354, 380-381; w67 244, 246, 594; w66 311, 689-691; w65 494; w64 78-79, 81, 83-84, 109-111, 278, 416, 555; w63 202, 701; bf 500, 504-505, 558; mg63 18; w62 139, 204; w61 146, 148, 166, 717-718; g61 8/22 28; w60 250-251, 463, 754; w59 352, 383, 631; w58 58, 464, 590; pa 215; yw 211, 334-335; w57 602-603; w55 267-268; sr55 136, 140; w53 568, 634; nh 223, 322-323; w52 252; w51 208-209, 433, 723; w48 311; w46 217, 235; w44 11, 232-234; w43 247; w42 170; w40 102, 223, 357; w39 39, 56; s 205-207; w37 52, 125-126; w36 362; ch 67; w35 264, 297; w34 229; w33 216, 340; v-2 287; w31 36, 310; lt-1-30 249-250
1920: bf 581, 601
1922: go 137-140; fm 315-317; w60 251, 282; yw 335, 337; w54 338; w52 252; w51 433, 437; w43 216, 247; w40 187; w39 44-46, 57-60, 67-72; w37 352; w36 103, 116; w35 23, 119, 280; w33 71, 216-217, 298, 341; pp 183; w32 211-212; w31 36, 70; v-1 55; lt-1-30 106-113, 249-251; lt-2-30 18-23
1923: w39 60-62; lt-1-30 113-120; lt-2-30 23-25
1924: w39 156-158; w34 72; jh 59-60; lt-1-30 120-129; lt-2-30 25-28
1925: w45 382; w39 204-206; w38 184; w33 341; lt-1-30 129-134; lt-2-30 29-30
1926: go 140-147; ns 323, 325-326; w60 282; w59 601; yw 215, 337-338; w54 337-347; w51 436-438; w40 102; w39 214, 219-222, 237, 381; w34 89; jh 90-91; wo 55; w33 214-217, 280-281; pp 130; lt-1-30 136-156; lt-2-30 31-36
1927: bf 558-559; w41 75, 374; w40 69; rg 87; w39 299-301; jh 63-65; lt-1-30 160-170; lt-2-30 36-57
1928: w41 107; w40 69, 284-286; rg 87; w34 326, 343; w33 341-342; lt-1-30 218-223; lt-2-30 57-67
1931: w64 400; bf 467; w61 166; ns 327; w59 352; yw 287; w46 156; w40 4
1938: w85 3/1 18; yb75 247; w71 724; w60 733; w59 632; yw 217-218; w51 724-729; w43 5; w38 179-183, 186-187
1939: w83 10/1 15; w63 696; w60 88; yw 281; nh 277-278; w44 266
1942: w67 595; w65 495; ns 336-338, 340, 348, 363
1944: yb75 247; w71 724-728
1945: w85 10/1 15; w83 10/1 15; kc 166; w63 696-697; w60 89; yw 282-283; w53 564; nh 278-279