Year of double-digit Epic
Rule. First two words express the number of the year of double-digit.
1956→ 56 →5 (5 letters) 6 (6 letters)
Italy(5), Winter(6) Olympic Games begin in Cortina d'Ampezzo,
Angry(5) Nikita(6) Khrushchev attacks Joseph Stalin as a "cult of personality".
Happy(5) states(6), Morocco and Tunisia declares their independence from France(6).
First(5) nation(6), Pakistan becomes the Islamic republic.
Ampex(5) invent(6) – Videotape.
Grace(5) , Prince(6) of Monaco, those two are married.
Marry(5) Monroe(6) with Arthur Miller.
Egypt(5), Nasser(6) nationalizes the Suez Canal .
Elvis(5) record(6) the viewing rate 82.6% on The Ed Sullivan Show.
Sinai(5), Israel(6) invades, Suez Crisis.
Abuse(5) Soviet(6) troops invade toward the Hungarian Revolution.
Yacht(5) Granma(6) with 82 men, Fidel Castro and Che Guevara.
Japan(5) become(6) a member of the United Nations.
Blood(5) battle(6) in Melbourne Olympic.
If you try to make this, "number of letters" is on the Internet with the word "cross word".