Events
1868 - Pierre Jules César Janssen discovers helium.
1877 - Asaph Hall discovers Phobos.
Deaths
2001 - David Peakall, British toxicologist.
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Events
1868 - Pierre Jules César Janssen discovers helium.
1877 - Asaph Hall discovers Phobos.
Deaths
2001 - David Peakall, British toxicologist.