Evan Lloyd Vaughan
All his subsequent elections in 1780 , 1784 and 1790 were uncontested . 
<triplet> 1780 <subj> 1780 <obj> point in time <subj> 1784 <obj> followed by <triplet> 1784 <subj> 1780 <obj> follows <triplet> 1790 <subj> 1784 <obj> follows