1 5 ▁- ▁Her vé - Ed gar ▁Brun elle , ▁politician ▁and ▁lawyer ▁( b . 1 8 9 1 ) ▁June ▁ 2 8 ▁- ▁James ▁All ison ▁Glen , ▁politician , ▁Minister ▁and ▁Spe aker ▁of ▁the ▁House ▁of ▁Commons ▁of ▁Canada ▁( b . 1 8 7 7 ) ▁ ▁July ▁to ▁December ▁July ▁ 2 2 ▁- ▁William ▁Lyon ▁Mack en zie ▁King , ▁lawyer , ▁econom ist , ▁university ▁professor , ▁civil ▁servant , ▁journalist , ▁politician ▁and ▁ 1 0 th ▁Prime ▁Minister ▁of ▁Canada ▁( b . 1 8 7 4 ) ▁July ▁ 2 5 ▁- ▁G le ason ▁Bel z ile , ▁politician ▁( b . 1 8 9 8 ) ▁August ▁ 1 ▁- ▁Hum ph rey ▁Mitchell , ▁politician ▁and ▁trade ▁union ist ▁( b . 1 8 9 4 ) ▁August ▁ 2 ▁- ▁Pierre - Fran çois ▁Cas gra in , ▁politician ▁and ▁Spe aker ▁of ▁the ▁House ▁of ▁Commons ▁of ▁Canada ▁( b . 1 8 8 6 ) ▁November ▁ 1 1 ▁- ▁John ▁Kno x ▁Bla ir , ▁politician , ▁phys ician ▁and ▁teacher ▁( b . 1 8 7 5 ) ▁ ▁Full ▁date ▁unknown ▁William ▁San ford ▁Evans , ▁politician ▁( b . 1 8 6 9 ) ▁ ▁See ▁also ▁ ▁List ▁of ▁Canadian ▁films ▁ ▁References ▁▁▁ ▁Category : Year s ▁of ▁the ▁ 2 0 th ▁century ▁in ▁Canada ▁Canada ▁Category : 1 9 5 0 ▁in ▁North ▁America <0x0A> </s>