Jan. 20, 1973 -- an historic period of significant happenings in America -- This day in history

From Presidential Historian and Twitter "leader" (Michael Beschloss):
@BeschlossDC                                             

Within period of 72 hours, Nixon was reinaugurated, LBJ died, Roe v Wade decided, Vietnam settlement announced--all 43 years ago this week.

6 p.m. January 21, 2016