The longest-reigning in the list of premiers or the first minister for Alberta was Ernest Manning with seven mandates counting 25 years and 195 days in office, followed by Peter Lougheed with four mandates serving 14 years and 52 days.
The longest-reigning in the list of premiers or the first minister for Alberta was Ernest Manning with seven mandates counting 25 years and 195 days in office, followed by Peter Lougheed with four mandates serving 14 years and 52 days.