REF ID:A487653 

!Declassified and approved for release by NSA on 11-08-2013 pursuant to'E.O. 1352§ 
J REF ID:A487653 

.'t.:.tr -

• 

: : 

INDEX OF RELEVANT TRANSLATIONS AND MEMORANDA 

• • 

DATE : JD II : O'l'Hlm II • • BRIEF 

I . • 

• • 

May 15 : 

July ? • • 

Jul.3' 17 • • 

Nov. 12 . • 

. 

• 

: 

--

-

--

-

---

• • 

. • 

: 

. • 

: 

• • 

• • 

: 

--------- : Distribution List (A.D. Kramer) • 

-----: Mamo re dissemination (A.D:K.). 

------- : G-2 Memo re dissemination (B~). 

--------- : G-2 Memo re d1ssemination (R.S. Bratton). _ __; _______ : Dissemin$tion to White House (A.D. Kramer). 

• • . • ~j. -· ' 

March 18: 1540 : Toqo 12615" • ,,; Put Terazaki in charge ot information and propaganda. 

*March 29: 1748: Berlin· .308 15 7'1'1;Q!rmany" plans to attack Russia. 

April 4 : 1826 : Berlin .56 t:f9S~~rman preparations tor war with Russia. 

April 5 : 1842 : Honolulu 43 1.r'9 7, VNeels seen in Pearl Harbor. -· ---~*April 18: 2066 : Was~n 230 : As a result ot the Japa11ese-Soviet Neutralit.7 Pact, 

: : l~'l- '1 : Japan is at last free to use force in this area 

: : (S.W. Paci.tic). ' 

April 30: -- : :!'GZ-.32" The earl,y intention of German,y to attack Russia. 

'f!MB.1 22 : 2643 : Berlin 56917'!-13: uour areams ot southward expansion." 

• IS.,. 26 : 2675· : Tokyo 440 11S-~"': Wire real intentions ot German Government. ~uq 24: -- : ------:Memo for Na.val-Aids to.the President.re Movements ot 

: : · · : Japanese Merchant Vessel.a... , 

*Sept. 4 : 4941 : Toqo 529:2. 7~t:. : Japanese Draft Proposal ot Sept. 6, 1941. 

*Sept. 26: 5438 : Tokyo 595 i.t.~1 t2: Japanese Proposal ot Sept. 25 (submitted to State 

: : : Department on Sept. 27). 

Sept. )0: 5510 : Tokyo 614 1-"\.S10 Thia whole matter concems the China Incident and the 

: : ~~ 1 South Seas Question. 

*Oct. 2 - : 5598 : Washington 881 The United States will'have to defend herselt 1n the 

: : ;i.::~.J , '+ Pacific. 

*Oct. 6 : 5640 : Washington 901 Nomura sounds a waming. 

Oct. 9 : 5696 : To)9o 8.) -..~~ti Area Designations in Pearl Harbor (.tor Spy Reports). 

Oct. 10 : 5730 : Honolulu 041'-~'!iiv: Dock and Mooring Designations in Pearl Harbor (for 

: I : Sp7 Reports) • 

--OCt. 15 : SS.38 : Berlin 12,37.:ns13: Oshima urg• ·Japan attack Russia and lets the cat 

: :, : out of tbe bag regarding the Conquest ot Asia. 

Oct. 16 : - : "GZ-10" : )femo to CNO With paraphrase of JD5838 (above). 

Oct. 28 : 61.38 : Toqo 671+ ~+_i:i-~ ~ Japanese nationals evacuating the N.E.I. 

Nov. l s 6204 : Reinking 697.,_-tif.: Minor border clash to be minimized. 

Nov. 4 : 6238 .: To1t3o )43,_,..,_~ .. 1-: Japanese nationals evacuating the Philippines. 

Nov. 4 : 6248 : Tok.Jo 725L'f-33o : Japanese National Policy (Tojo Cabinet). 

Nov. 4 : 6249 : TokJ'o 726'-<1-;.30: Proposal A (u.s.-Japan Treaty). 

Nov. 4 : 6250 : Tokyo 7'Z'f 'L'+33CJ : Proposal B (-U.S.-Japan Treat7). 

**Nov. S : 6254 : Tokyo 736 i..'1-;,13: Arrangements for signing must be completed b7 

: : -i-+'1- ~ : Nov. 25th .. (2,l utmost secrecr). . -aJ{ov. 7 _ : 6320 : Washington 1040: There is danger that .America rill see through our 

• : : : condition. 

Nov. 8 : 6.3.35 : Manila 722 '-+~:;-,,: Sp,- report on u.s. Aircratt. 

Nov. 12 : 6415 : Tok1o 762 ;;_.J.3"'13 s Nov. 25th is the definite deadline. 
REF ID:A487653 

: : : 

DATE : JD II : OTHER I • <.......· . 

• 

: : : 

Nov. 17 : 6540 : Hainldng ].;Ly.g.r3: Umetau to Kurusu (Nov. 6, 1941). 

*Nov. 17 : 6541 : Hsinking 2.2.-1-~f: Mancbukuo-Soviet Relations. 

*Nov. 17 : 6542 : Hsinldng 3 ).t~: Estimate of Russo-German War. 

**Nov. 17 : 6553 s WaabingtorfiltJ-Jv: Naamra'a swan Song. - **Nov. 22 : 61JJJ : Toqo 812 )..S°1'3~ : The d•adline is extended until Nov. 29th: after that 

: : : things are automatical.17 going to happen. 

*Nov. 24;. : 6741+ : To}Qro 82).L5'1-is : The time-l.1mit ia in Tokfo time. 

Nov. 26 : 6801 : · Tolqo 2319'l--!'°3·i.:v. Japan' a Plans re China {Nov. 14, 191+1). 

**ROT. 26 i 6850 : Tokyo 2354 ;..5'3q 1-1 Winds Code tor Korae Broad.cuts (Nov. 19, 1941). 

*"Nov. 28 : 6Er15 : To]qo 2353J.-S'f-3"f Winds Code for Voice Broadcasts (Nov. 19, 1941). 

itflov. 28 : 6898 : Tok.Jo 844 '1.-~lf-+S': ·Do not give the impression that the negotiations are 

: · : : broken oft. , HDeo. l : 6943 : Tolqo 985 ).S$°'S'r: There 18 extreme daliger that war ma:r wdctenl.y break 

: : : ; out between the Anglo-Samn nations and Japan----

: . : : quicker than an,on• dreams. 

*Dec. 1 : 6983 : Tokyo 865 ,..5"6°5: To prevent. the United St.ates from becoming unduly rc.l 

*Dec. 2 

Dec • .3 

: : : suspicious. 

: 698'+ : To)qo 2't4J+-i-5'-oG.:· London.11 Hongke>ng~ Singapore, and Manila - Destro7 

: : · : Purple code machines. 

: 6985 : 'l'okyo 2'09J.~t<.o<=f~ Hidden Word Code (Nov. zt, 1941). 

1 6991 : TokJo ill ~~&'1-'f: Kake your "Shipe in Harbor Report.11 irregular but 

: : : twice a week (Nov. lS, 1941). . : 7017 : Tokyo 867 7-s--" '1- 0 : Washington - Dea troy code machine. 

: ( 6975): ----~!'_s:i_i Poaaibl;r the missing tranalation ot the Winda 

:(7001): · lleaaage. (Theae JD numbers are missing.) 

*Dec. 4 : 7092 : Tokyo 89.3 i,~"fi3 In case war breaks out --- American and British 

: conaular otticiale will not be recognised u 

: having - Great care shall be taken not to 

: antagonize Russia. 

Dec. 4 : 7029 Toqo lll i...!"&q.; Spy Instructions - Honolulu. (Nov. 20, 1941.) , : (or -li:li}-

..:r Dec. S : 7063 1'oqo ll)J.5113 Spy Inst.ructions - Honol\ilu. (Nov. 18, 1941.) 

Dec. 5 : 7064 Honolulu 22lp.511t1"SP1' Message - Honolulu. (Nov. 18, 1941.) 

_.:::,*Dec. 5 : 7086 Tok;Jo 122 ... 5s,_2: sw Instructions - Honolulu. {Nov. 29, 1941.) 

_.7 Dec. 6 : 7ll:l Honolulu 222'>-~ ': sw Report - Honolulu. (Nov~ 18, 1941.) 

Dec. 6 : 7125 Tolqo 2447;!~;~"': Dest.ruction ot Consular Coc:lea. (Dec. 2, 1941.) 

Dec. 6 : ?J.36 Washington 1268: We have completed destructionot codes. 

***Dec. 6 : 7149 Tok)ro 901 '- S-i3g: .American Propo~al ot Nov. 26th will be answered in 

,;:; s s . . £"9+.3 j : 'lq 902. . . . . Jf "Dec. 6 '714.3 I Toqo cJ02/l-l.3 : Japanese Declaration of War (Parts 1-13). 

HDec. 7 714.3 : Tok;yo 902/14 : Japanese Deolarat.ion ot War (Part. 14)• 

*Dec. 6 7141+ : TokJo 904 ~'ii 'I-if: Re rq 902, be most ext.rael.7 cautious in preserving 

: : aecreo7. 

7145 : Tokyo 9071'-5i5o: Sul:mdt our repq to the United States at 1:00 p.m. · s : on the seventh, your (Washington) time. 

9nec.7 

/· 
' . . REF ·ID :A487653 ~-

.--

DATE 

. • 

: JD II : 

INDEX OF RELEVANT TRANSLATIONS AND MEl40RANDA - CONT'D 

OTHER# 

: 

• • 

: s : 

*Dec. 7 : 7148 : Tok1o 2494 ,,~zSID: Hidden Word Message informing Japanese consular 

: : 1 off'icials that Japan was about to declare war on 

s ' -..;-i~ : England and the U.S. ·- ilfff>ec. 7 : 7184 Budapest lOlf. : American Minister on the 6th gave Hungarian Govt. a 

__:p : : British Govt. communique that war would break out 

: ,~io I on the 7th. (Arlll' translation.) 

Dec. 8 : 7158 TokJo 119'l-!>"J-S"'lP1: Spy Inatructiona - Honolulu. . (Nov. 28, 1941.) 

«y*Dec. 8 s 7178 Honolulu 253 : Spy Report - Honolulu. (Dec. 6, 1941.) 

: .,s,z14- : Opportunity for a surprise attack. 

*Dec. 8 : 7179 Honolulu 254 i= Spy Report - Honolulu. (Dec. 6, 1941.) 

Dec. 8 : 7212 Honolulu 238-iS~'-1: SP7 Report - Honolulu. (Nov. 28, 1941.-) 

*Dec. 10 : 7280 Honolulu 252pi,~"': SW Report - Honolulu. (Dec. S, 1941.) 

*Dec. 10 : 7294 Honolulu 2J+l-b0~ : Spy Report - Honolulu. (Dec. 1, 1941.) 

Dec. 11 : '7335 Peking 625,_ipi~ : Coincident with the beginning 

: : of the war againat Britain and 

: : :z.,1.11.f.5 : America. (Dec. 5, 1941. ) 

*Dec. 11: 7YIO: H~lulu 245 :·Spy Report. - Honolulu. (Dec. 3, 1941.) 

9nec· 12 : 7381 : Tokyo 128 :i.u>~ : SPT Instructions - Honolulu. (Dec. 6, 1941.) 

: : . • Indication ot attack alter Dec. 4th. 

Dec. 14 : 7479 : BA 3'79 vt.,,oi+ TokJ'o 2570 - P/L Report on U.S. 

s s lossea at Pearl Harbor. (Dec. 14, 1941.) 

*Dec. lS : 7469 : Tokyo 2556-v1o-:.oCi. ·Explanation of presentation ot 

s : -,..(,,3>s- 1 Declaration ot War. 

Dec. 16 7511 Honolulu 2,34. Sp7 Report - Honolulu. 

Dec. 19 7590 Tokyo 4 -....1. 'fl°I P/L Report on U.S. losses at - :S Pearl Barbor. · __:;,..**Dec. 30 8tXJ7 Tokyo 12)-i.'1°~ : Sp~ Instructions - Honolulu. 

: Indication of Air Raid • 

• 

. • 

_,_ 

----------

·(Dec. 11, 1941.) 

(Bov. 24, 1941.) 

(Dec. 18, 1941.) 

(Dec. 2, 1941. )