September 1912
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The following events occurred in September 1912:
September 28, 1912: Thousands sign the Ulster Covenant
September 22, 1912: Edwin Armstrong makes first successful test of the revolutionary regnerative circuit
September 21, 1912: Houdini unveils most dangerous act yet
Raymond Poincaré
April 1912
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The following events occurred in April 1912:
April 14–15, 1912: RMS Titanic sinks, killing 1,496 people