House and Senate Adopt Joint Rules Apr 15, 1789
Senate Enforces Attendance Jun 25, 1798
Jefferson’s Manual of Procedure Feb 27, 1801
First Unanimous Consent Agreement Mar 24, 1846
Quorum Busting Oct 1893
Defining Quorum in the Civil War May 4, 1864
Senate Appoints its First Parliamentarian Jul 1, 1935
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