http://www.prochoice.org/about_abortion/history_abortion.htmlA Timeline of Reproductive Rights
1821: Connecticut passes the first law in the United States barring abortions after "quickening."
1860: Twenty states have laws limiting abortion.
1965: Griswold v. Connecticut Supreme Court decision strikes down a state law that prohibited giving married people information, instruction, or medical advice on contraception.
1967: Colorado is the first state to liberalize its abortion laws.
1970: Alaska, Hawaii, New York, and Washington liberalize abortion laws, making abortion available at the request of a woman and her doctor.
1972: Eisenstadt v. Baird Supreme Court decision establishes the right of unmarried people to use contraceptives.
1973: Roe v. Wade Supreme Court decision strikes down state laws that made abortion illegal.