#1 return setting up the  Lithuanian-Belorussian Republic 
#2 return the  Brest-Litovsk Treaty 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which is lowest of #3 ,  #4
Which occured first, setting up the Lithuanian-Belorussian Republic or the Brest-Litovsk Treaty?