Here’s a look at some interesting events that took place on this day in history:

1970 – The Boeing 747, the world’s first “jumbo jet,” enters commercial service (More info)

1973 – The US Supreme Court delivers its decision in Roe v. Wade, legalizing elective abortion in all 50 states (More info)

1984 – The Apple Macintosh, the first consumer computer to popularize the computer mouse and the graphical user interface, is introduced with its famous ’1984′ television commercial (More info)

1997 – The US Senate unanimously confirms Madeleine Albright as the first female Secretary of State (More info)

2008 – Oscar-nominated actor Heath Ledger, 28, dies of an accidental prescription drug overdose (More info)