Meanwhile…

Reoccupation of the Rhineland

1936-03-07

molotov–ribbentrop pact

1939-08-23

Executive Order 9066 and internment of Japanese Americans

1942-02-19

The Long March of the communists

1934-1935

Invasion of Poland

1939-09-01

World War II undermines the colonial empires

1939-1945

Lend-Lease Act provides support to the Allies

1941-03-11

Diverse reef fauna colonizes coral ecosystems

from around 485 million years ago to the present

founding of the Bourbaki group

circa 1935

Discovery of streptomycin

1943

Moscow opens its palace-like metro

1935-05-15

The first jet flight: the beginning of the jet age

1939-08-27

Mass production of penicillin during the Second World War

1944

Native American ceremonial dance traditions

from ancient times to today

Irish riverdance evolves from folk roots to global phenomenon

from the 18th century to 1994 and beyond

Salsa, tango and jive emerge from the Americas

from the late 19th century (tango) to the 1970s (salsa)

The survival of the birds

vanaf ca. 66 miljoen jaar geleden

The Anthropocene and climate change

20e-21e eeuw