Numemo
← Curriculum Periods 8–9 · 1945–Present 1947 – 1973 · 11 dates

The Cold War and Vietnam

From the Truman Doctrine, NATO, and Korea to Sputnik, the Cuban Missile Crisis, Vietnam, Apollo 11, and Nixon's opening to China.

How to read the digits: Cold War dates (1947–1973): the leading "19" is implied — encode the last two digits (General American pronunciation).

Quick sound → digit cheat sheet (0–9)
0
s, z, soft c /s/ /z/ Zero starts with z
1
t, d, th /t/ /d/ /θ/ /ð/ t has 1 downstroke
2
n, ng /n/ /ŋ/ n has 2 downstrokes
3
m /m/ m has 3 downstrokes
4
r, -er /ɹ/ /ɚ/ /ɝ/ fouR ends with r
5
l /l/ /ɫ/ Roman L = 50
6
sh, ch, j, soft g /ʃ/ /ʒ/ /tʃ/ /dʒ/ J looks like a mirrored 6
7
k, hard c, g, q /k/ /ɡ/ K looks like two 7s
8
f, v, ph /f/ /v/ Cursive f has two loops like 8
9
p, b /p/ /b/ p and b mirror a 9

Golden rules (General American pronunciation): vowels and silent or glide letters (w, h, y) carry no digit · silent letters are ignored (knife /naɪf/ → 28) · doubled letters count once (bell → 95, hammer → 34) · sound, never spelling, decides.

Date Event Peg word IPA Digits
1947 Truman Doctrine proclaims containment; Marshall Plan proposed; National Security Act creates CIA and Defense Department rake /ɹeɪk/ /ɹeɪk/ 47
1949 United States joins NATO; Berlin Airlift concludes; Chinese Communist Revolution and first Soviet atomic test harp /hɑɹp/ /hɑɹp/ 49
1950 Korean War begins; Senator Joseph McCarthy launches Second Red Scare investigations lasso /ˈlæs.oʊ/ /ˈlæs.oʊ/ 50
1957 Soviet Union launches Sputnik 1, sparking the Space Race and leading to the National Defense Education Act lock /lɑk/ /lɑk/ 57
1961 Bay of Pigs invasion fails; Berlin Wall erected; Eisenhower warns of the "military-industrial complex" shoe +tie /ʃu/ + /taɪ/ /ʃu/ + /taɪ/ 61
1962 Cuban Missile Crisis brings the United States and Soviet Union to the brink of nuclear conflict chain /ˈtʃeɪn/ /ˈtʃeɪn/ 62
1964 Gulf of Tonkin Resolution authorizes expanded U.S. military involvement in Vietnam cherry /ˈtʃɛɹi/ /ˈtʃɛɹi/ 64
1968 Tet Offensive turns U.S. opinion on the Vietnam War; assassinations of Martin Luther King Jr. and Robert F. Kennedy shoe +hive /ʃu/ + /haɪv/ /ʃu/ + /haɪv/ 68
1969 Apollo 11 lands the first humans on the Moon (July 20); nationwide anti-Vietnam War protests peak sheep /ˈʃiːp/ /ˈʃiːp/ 69
1972 Richard Nixon visits Beijing to reopen U.S.–China relations and signs the SALT I treaty in Moscow cane /keɪn/ /keɪn/ 72
1973 Paris Peace Accords end direct U.S. combat in Vietnam; War Powers Resolution and OPEC oil embargo comb /koʊm/ /koʊm/ 73

Visual memory stories

1947 — As the Truman Doctrine proclaims containment and the Marshall Plan is proposed, a steel garden rake draws Western democracies together while the National Security Act creates the CIA and Defense Department. (ɹ·k → 47)

1949 — As the United States joins NATO and the Berlin Airlift concludes, a towering golden harp echoes across a tense world shaped by the Chinese Communist Revolution and the first Soviet atomic test. (ɹ·p → 49)

1950 — As the Korean War begins, a braided hemp lasso tightens around Washington while Senator Joseph McCarthy launches his Second Red Scare investigations. (l·s → 50)

1957 — When the Soviet Union launches Sputnik 1 into orbit, a gleaming brass lock snaps shut on Earthbound limits, sparking the Space Race and leading to the National Defense Education Act. (l·k → 57)

1961 — As the Bay of Pigs invasion fails and the Berlin Wall is erected, a polished brown shoe and a striped silk tie mark the year Eisenhower warns of the military-industrial complex. (ʃ → 6 · t → 1)

1962 — For thirteen tense days, a heavy iron chain stretches across Caribbean waters as the Cuban Missile Crisis brings the United States and Soviet Union to the brink of nuclear conflict. (tʃ·n → 62)

1964 — A single glossy crimson cherry drops into coastal waters as Congress passes the Gulf of Tonkin Resolution, authorizing expanded U.S. military involvement in Vietnam. (tʃ·ɹ → 64)

1968 — In a turbulent year, a lone black shoe sits beside a golden straw hive as the Tet Offensive turns U.S. opinion on the Vietnam War and the assassinations of Martin Luther King Jr. and Robert F. Kennedy shake the country. (ʃ → 6 · v → 8)

1969 — On July 20, a plump white sheep bounds across pale lunar dust as Apollo 11 lands the first humans on the Moon while nationwide anti-Vietnam War protests peak at home. (ʃ·p → 69)

1972 — Walking with a polished walnut cane, Richard Nixon visits Beijing to reopen U.S.–China relations before signing the SALT I treaty in Moscow. (k·n → 72)

1973 — As the Paris Peace Accords end direct U.S. fighting in Vietnam, an amber tortoiseshell comb parts tangled diplomatic knots amid the War Powers Resolution and the OPEC oil embargo. (k·m → 73)