<p>Today's footnotes include a moon landing, a ballpark opening, and more. Today's episode has your historical footnotes for April 20, 2019. </p>

Today's footnotes include a moon landing, a ballpark opening, and more. Today's episode has your historical footnotes for April 20, 2019.

<p>Today's footnotes include a moon landing, a ballpark opening, and more. Today's episode has your historical footnotes for April 20, 2019.&nbsp;</p>

On This Day - April 20, 2019

A history microcast featuring notable events this day in history, entertainment, sports, and birthdays.

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On This Day - April 20, 2019

On This Day - April 20, 2019