それは３年後、すなわち１９６５年に起こった。
Sentence Analyzer
English Translation
It happened three years later, that is in 1965.
Furigana
それは３年後 、すなわち１９６５年 に起 こった。
Romanji
Sore wa san nengo, sunawachi ichi kyū roku go nen ni okotta.
Words
其れ
(それ)
that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
三
(さん、み)
three; tri-
年後
(ねんご)
years later
即ち
(すなわち)
that is; namely; i.e.
一
(いち)
one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
九
(きゅう、く、ここの、この、ここ)
nine
六
(ろく、む、むう)
six
五
(ご、いつ、い)
five
年
(とし)
year; many years; age; past one's prime; old age
に
(に)
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
起こる
(おこる)
to occur; to happen