In 1650 Mizar was the first double one of these discovered; today we know it's actually a quadruple
[DOC] [TLE] Celltre1 - Edmonton RASC [PAR] Jun 2, 2001 ... childOlike sense of wonder if we have lost it, or to really appreciate it if we .... 
Mizar; fIrst double star discovered (Riccioli, 1650).