CREATE TABLE table_26652 ("District" TEXT, "Vacator" TEXT, "Reason for change" TEXT, "Successor" TEXT, "Date successor seated" TEXT)

What was the reason for change to the successor that was seated on December 13, 1880?
SELECT "Reason for change" FROM table_26652 WHERE "Date successor seated" = 'December 13, 1880'
SELECT "Reason for change" FROM "table_26652" WHERE "Date successor seated" = 'December 13, 1880'