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May 20Across the years

8 selected records · Newest first

1985
Science & Discovery · May 20

Radio Martí, part of the Voice of America service, begins broadcasting to Cuba.

Radio Martí, part of the Voice of America service, begins broadcasting to Cuba.

1964
Science & Discovery · May 20

Discovery of the cosmic microwave background radiation by Robert Woodrow Wilson and Arno Penzias.

Discovery of the cosmic microwave background radiation by Robert Woodrow Wilson and Arno Penzias.

1891
Arts & Culture · May 20

History of cinema: The first public display of Thomas Edison's prototype kinetoscope.

History of cinema: The first public display of Thomas Edison's prototype kinetoscope.

1883
Historical Figures · May 20

Birth of Faisal I of Iraq

Born: Faisal I of Iraq (died 1933).

1609
Historical Events · May 20

Shakespeare's sonnets are first published in London, perhaps illicitly, by the publisher Thomas Thorpe.

Shakespeare's sonnets are first published in London, perhaps illicitly, by the publisher Thomas Thorpe.

1277
Historical Figures · May 20

Death of Pope John XXI

Died: Pope John XXI (born 1215).

491
Ancient Civilizations · May 20

Empress Ariadne marries Anastasius I. The widowed Augusta is able to choose her successor for the…

Empress Ariadne marries Anastasius I. The widowed Augusta is able to choose her successor for the Byzantine throne, after Zeno (late emperor) dies of dysentery.

325
Historical Events · May 20

The First Council of Nicaea is formally opened, starting the first ecumenical council of the Christian Church.

The First Council of Nicaea is formally opened, starting the first ecumenical council of the Christian Church.

Dates follow the source calendar pages; older dates may use different calendars. About the sources