Why did the change happen in the state where the formal installation happen on February 14, 1859?
create table table_1802760_3 (reason_for_change varchar, date_of_successors_formal_installation varchar, PRIMARY KEY (reason_for_change))
select reason_for_change from table_1802760_3 where date_of_successors_formal_installation = "february 14, 1859"