Feminism and the Tunisian Revolution · TURNING POINT · 1956

Pill trials in Puerto Rico (1956)

On the Feminism and the Tunisian Revolution map as “The Pill trials”

1956 — In Río Piedras, Puerto Rico, the contraceptive pill undergoes its first large field trials. Hundreds of women volunteer, having been told that the drug prevents pregnancy. They are not told that it is experimental or that side effects are being studied.

When: 1956
Type: Turning point
Chapter: Origins of second-wave feminism (chapter 1 of Feminism and the Tunisian Revolution)
Atlas: Protest and Change: Second-Wave Feminism and Tunisia, 1945–2015

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Map showing Pill trials in Puerto Rico (1956), turning point in Protest and Change: Second-Wave Feminism and Tunisia, 1945–2015 — TURNING POINT · PROTEST AND CHANGE: SECOND-WAVE FEMINISM AND TUNISIA, 1945–2015

These maps are reconstructed from published sources · Cliopatria v0.2.1 historical polities · Hoyt v. Florida (1961), opinion and footnotes · Inter-Parliamentary Union: women’s suffrage chronology · Natural Earth 1:10m countries and physical geography · Natural Earth 1:10m administrative references (US states and Berlin)

Source details

Cliopatria contributors / Seshat Global History Databank. CC BY 4.0 · Selected source records; component selection, documented unions and date proxies; projected for display.
US Supreme Court; Cornell Legal Information Institute. Factual historical evidence; no source prose reproduced
Inter-Parliamentary Union. Factual historical evidence; no source prose reproduced
Natural Earth. Public domain · Property selection and semantic ID normalization; full coordinates retained. An upstream Egyptian ring self-intersection is repaired with area change below 1e-9 square degrees; see natural-earth-admin0-review.json.
Natural Earth. Public domain

Modern reference outlines locate the historical thematic data. The underlying rights/protest classifications remain unchanged.

Germany uses dated East/West source extents together with a Berlin reference; Czechoslovakia, Yugoslavia and the Soviet Union use reviewed historical extents. For Czechoslovakia and the Soviet Union, the 1953–68 references are retained where later Cliopatria records show military occupation rather than treaty-party territory.

reconstruction: 1953–1968 · reconstruction: 1958–1989; 1953–1972 · reconstruction: Cartographic device · vector: 1949–1990 · vector: 1953–1968

Layer records and reconstruction methods

In the same chapter

● The Second Sex ● Levittown ● Smith College ● Hoyt v. Florida ● Kennedy Commission

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Pill trials in Puerto Rico (1956)

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