Similar to バレンタインデー

20th century

21st century

AK-47

Civil Rights Act of 1964

February

March

1980 Turkish coup d'état

ABAP

Ajax (programming)

Android (operating system)

Arduino

Association for Computing Machinery

Boeing B-52 Stratofortress

BRAC (organisation)

Industrial marketing

Hepatitis B

0

5

Year 2000 problem

17th century

French Revolution of 1848

18th century

19th century

Stereoscopy

Piano Concerto No. 7 (Mozart)

Group 47

April

20 July plot