Similar to 赤い夏

BETASOM

Biff (Unix)

Binary chemical weapon

Rheinmetall BK-5

BL 18-inch railway howitzer

BLAST (biotechnology)

BLISS

1919 Egyptian revolution

Greco-Turkish War (1919–1922)

Spartacist uprising

1919 Soviet invasion of Ukraine

German revolution of 1918–1919

Hungarian–Romanian War

Mahmud Barzanji revolts

Eighteenth Amendment to the United States Constitution

Harlem Renaissance

1919 Pulitzer Prize

Great Molasses Flood

1919 Major League Baseball season