20th Century by Letter - B

City divided by a wall from 1961-1989

Region of the Atlantic Ocean which became infamous for ship and aircraft disappearances

Russian revolutionary faction led by Lenin

John, Paul, George, and Ringo

Last major German offensive of World War II's Western Front

French feminist and social theorist who authored The Second Sex

1970 cyclone that ravaged communities north of the Bay of Bengal, killing at least 300,000 and spurring political upheaval

Danish scientist who made great advancements in our understanding of atomic structure

Site of a failed invasion into Cuba backed by the US government

Estate in Buckinghamshire that served as the hub for the UK's codebreaking efforts during WWII

German design school that married aesthetics with mass production principles

Leader of the USSR from 1964-1982

Indian city that in 1984 faced the world's worst industrial disaster

First female prime minister of Pakistan, as well as the first in any Muslim majority country

First prime minister of Israel

Father of the Green Revolution; his work in bolstering agricultural yields have likely spared billions from famine

The Axis invasion of the USSR — the costliest offensive in history

Series of wars from 1912-13 involving Bulgaria, Greece, Montenegro, the Ottoman Empire, Romania, and Serbia

Sixteen chemical elements were discovered here from 1940-1974

The first synthetic plastic, created in 1907

Creator of the World Wide Web

Chinese rebels who opposed foreign influence and gained the support of the Empress Dowager in January 1900