Event:
Nigerian troops rescue 93 women and 200 girls from Boko Haram encampments in the Sambisa Forest; the 'Chibok girls', kidnapped by the militants last year and taken into the forest, were not among those rescued
More Notable Events on April 28:
1989 Argentina, hit by rocketing inflation, runs out of money
1967 Muhammad Ali refuses induction into army and stripped of boxing title
1947 Thor Heyerdahl and Kon-Tiki sail from Peru to Polynesia
1934 Franklin D. Roosevelt signs Home Owners Loan Act
1914 W. H. Carrier patents air conditioner
