

Year/Month 
1901 
1902 
1903 
1904 
1905 
1906 
1907 
1908 
1909 
1910 

January 
101 
102 
103 
104 
105 
106 
107 
108 
109 
110 

February 
201 
202 
203 
204 
205 
206 
207 
208 
209 
210 

March 
301 
302 
303 
304 
305 
306 
307 
308 
309 
310 

April 
401 
402 
403 
404 
405 
406 
407 
408 
409 
410 

May 
501 
502 
503 
504 
505 
506 
507 
508 
509 
510 

June 
601 
602 
603 
604 
605 
606 
607 
608 
609 
610 

July 
701 
702 
703 
704 
705 
706 
707 
708 
709 
710 

August 
801 
802 
803 
804 
805 
806 
807 
808 
809 
810 

September 
901 
902 
903 
904 
905 
906 
907 
908 
909 
910 

October 
1001 
1002 
1003 
1004 
1005 
1006 
1007 
1008 
1009 
1010 

November 
1101 
1102 
1103 
1104 
1105 
1106 
1107 
1108 
1109 
1110 

December 
1201 
1202 
1203 
1204 
1205 
1206 
1207 
1208 
1209 
1210 

Year/Month 
1911 
1912 
1913 
1914 
1915 
1916 
1917 
1918 
1919 
1920 

January 
111 
112 
113 
114 
115 
116 
117 
118 
119 
120 

February 
211 
212 
213 
214 
215 
216 
217 
218 
219 
220 

March 
311 
312 
313 
314 
315 
316 
317 
318 
319 
320 

April 
411 
412 
413 
414 
415 
416 
417 
418 
419 
420 

May 
511 
512 
513 
514 
515 
516 
517 
518 
519 
520 

June 
611 
612 
613 
614 
615 
616 
617 
618 
619 
620 

July 
711 
712 
713 
714 
715 
716 
717 
718 
719 
720 

August 
811 
812 
813 
814 
815 
816 
817 
818 
819 
820 

September 
911 
912 
913 
914 
915 
916 
917 
918 
919 
920 

October 
1011 
1012 
1013 
1014 
1015 
1016 
1017 
1018 
1019 
1020 

November 
1111 
1112 
1113 
1114 
1115 
1116 
1117 
1118 
1119 
1120 

December 
1211 
1212 
1213 
1214 
1215 
1216 
1217 
1218 
1219 
1220 

Year/Month 
1921 
1922 
1923 
1924 
1925 
1926 
1927 
1928 
1929 
1930 

January 
121 
122 
123 
124 
125 
126 
127 
128 
129 
130 

February 
221 
222 
223 
224 
225 
226 
227 
228 
229 
230 

March 
321 
322 
323 
324 
325 
326 
327 
328 
329 
330 

April 
421 
422 
423 
424 
425 
426 
427 
428 
429 
430 

May 
521 
522 
523 
524 
525 
526 
527 
528 
529 
530 

June 
621 
622 
623 
624 
625 
626 
627 
628 
629 
630 

July 
721 
722 
723 
724 
725 
726 
727 
728 
729 
730 

August 
821 
822 
823 
824 
825 
826 
827 
828 
829 
830 

September 
921 
922 
923 
924 
925 
926 
927 
928 
929 
930 

October 
1021 
1022 
1023 
1024 
1025 
1026 
1027 
1028 
1029 
1030 

November 
1121 
1122 
1123 
1124 
1125 
1126 
1127 
1128 
1129 
1130 

December 
1221 
1222 
1223 
1224 
1225 
1226 
1227 
1228 
1229 
1230 

Year/Month 
1931 
1932 
1933 
1934 
1935 
1936 
1937 
1938 
1939 
1940 

January 
131 
132 
133 
134 
135 
136 
137 
138 
139 
140 

February 
231 
232 
233 
234 
235 
236 
237 
238 
239 
240 

March 
331 
332 
333 
334 
335 
336 
337 
338 
339 
340 

April 
431 
432 
433 
434 
435 
436 
437 
438 
439 
440 

May 
531 
532 
533 
534 
535 
536 
537 
538 
539 
540 

June 
631 
632 
633 
634 
635 
636 
637 
638 
639 
640 

July 
731 
732 
733 
734 
735 
736 
737 
738 
739 
740 

August 
831 
832 
833 
834 
835 
836 
837 
838 
839 
840 

September 
931 
932 
933 
934 
935 
936 
937 
938 
939 
940 

October 
1031 
1032 
1033 
1034 
1035 
1036 
1037 
1038 
1039 
1040 

November 
1131 
1132 
1133 
1134 
1135 
1136 
1137 
1138 
1139 
1140 

December 
1231 
1232 
1233 
1234 
1235 
1236 
1237 
1238 
1239 
1240 

Year/Month 
1941 
1942 
1943 
1944 
1945 
1946 
1947 
1948 
1949 

January 
141 
142 
143 or ? 
144 or ? 
145 or ? 
146 or ? 
147 or ? 
148 or ? 
149 or ? 

February 
241 
242 
243 or ? 
244 or ? 
245 or ? 
246 or ? 
247 or ? 
248 or ? 
249 or ? 

March 
341 
342 
343 or ? 
344 or ? 
345 or ? 
346 or ? 
347 or ? 
348 or ? 
349 or ? 

April 
441 
442 
443 or ? 
444 or ? 
445 or ? 
446 or ? 
447 or ? 
448 or ? 
449 or ? 

May 
541 
542 
543 or ? 
544 or ? 
545 or ? 
546 or ? 
547 or ? 
548 or ? 
549 or ? 

June 
641 
642 
643 or ? 
644 or ? 
645 or ? 
646 or ? 
647 or ? 
648 or ? 
649 or ? 

July 
741 
742 
743 or ? 
744 or ? 
745 or ? 
746 or ? 
747 or ? 
748 or ? 
749 or ? 

August 
841 
842 
843 or ? 
844 or ? 
845 or ? 
846 or ? 
847 or ? 
848 or ? 
849 or ? 

September 
941 
942 
943 or ? 
944 or ? 
945 or ? 
946 or ? 
947 or ? 
948 or ? 
949 or ? 

October 
1041 
1042 
1043 or ? 
1044 or ? 
1045 or ? 
1046 or ? 
1047 or ? 
1048 or ? 
1049 or ? 

November 
1141 
1142 
1143 or ? 
1144 or ? 
1145 or ? 
1146 or ? 
1147 or ? 
1148 or ? 
1149 or ? 

December 
1241 
1242 
1243 or ? 
1244 or ? 
1245 or ? 
1246 or ? 
1247 or ? 
1248 or ? 
1249 or ? 

Year/Month 
1950 
1951 
1952 
1953 
1954 
1955 
1956 
1957 
1958 
1959 

JanuaryJune 
M8 
N9 
O10 
P11 
Q12 
R13 
T14 
U15 
V16 
W17 

JulyDecember 
A8 
B9 
C10 
D11 
E12 
F13 
G14 
H15 
I16 
J17 

Year/Month 
1960 
1961 
1962 
1963 
1964 
1965 
1966 
1967 
1968 
1969 

JanuaryJune 
X18 
Y19 
Z20 
M21 
N22 
O23 
P24 
Q25 
R26 
T27 

JulyDecember 
K18 
L19 
A20 
B21 
C22 
D23 
E24 
F25 
G26 
H27 

Year/Month 
1970 
1971 
1972 
1973 
1974 
1975 
1976 
1977 
1978 
1979 

JanuaryJune 
M28 
N29 
O30 
P31 
Q32 
R33 
T34 
U35 
V36 
W37 

JulyDecember 
A28 
B29 
C30 
D31 
E32 
F33 
G34 
H35 
I36 
J37 

Year/Month 
1980 
1981 
1982 
1983 
1984 
1985 
1986 
1987 
1988 
1989 

JanuaryJune 
X38 
Y39 
Z40 
M41 
N42 
O43 
P44 
Q45 
R46 
T47 

JulyDecember 
K38 
L39 
A40 
B41 
C42 
D43 
E44 
F45 
G46 
H47 

Year/Month 
1990 
1991 
1992 
1993 
1994 
1995 
1996 
1997 
1998 
1999 

JanuaryJune 
U48 
V49 
1992 
1993 
1994 
1995 
1996 
1997 
1998 
1999 

JulyDecember 
I48 
J49 
1992 
1993 
1994 
1995 
1996 
1997 
1998 
1999 



Year/Month 
1990 
1991 

JanuaryJune 
1A 
2A 

JulyDecember 
1B 
2B 

Notes: Date code may or may not contain a (dash). Return to Main Date Code Page
