• 1686: The first volume of Isaac Newton’s “Principia” published 
• 1754: The mutiny is staged on the HMS Bounty 
• 1788: Maryland becomes the 7th state to ratify the Constitution 
• 1937: The first commercial flight is made across the Pacific (by Pan Am) 
• 1947: A six-man expedition, led by anthropologist Thor Heyerdahl, sails from Peru aboard a balsa wood raft named the Kon-Tiki on a 101-day journey across the Pacific Ocean to Polynesia to prove Heyerdahl’s theory that Polynesia, including Hawaii, could have been colonized from South America.
• 1967: Muhammad Ali refuses induction into the U.S. armed forces (he is sentenced to five years in prison, but remains out on appeal, effectively banned from boxing) 
• 1988: Aloha Airlines’ Boeing 737 roof tears off in flight (killing a stewardess) 
• 1994: Former CIA official Aldrich Ames, who betrayed U.S. secrets to the Soviet Union pleads guilty to espionage and tax evasion (he is sentenced to life in prison without parole) 
• 2001: 60-year old millionaire Dennis Tito blasts off on board a Russian supply ship to begin his week-long, $20 million trip to the International Space Station to become the world’s first civilian who has paid to travel into space - a “space tourist” (he returns to Earth on May 8th) 
• 2004: The first photos of the Abu Ghraib prisoner abuse scandal were shown on CBS’ “60 Minutes II.”

BORN ON THIS DAY — April 28th