:*The choice by a couple of whether to marry or divorce was a legal and cultural battle that took decades, arguably centuries. 
 :*Ending government interference in personal choices, such as whether or not to engage in sex with a married partner and whether to use contraception (the Supreme Court's Griswold decision) 
 :*Ending race restrictions on who could marry whom; that only came to an American conclusion, legally speaking, forty years ago. 
 :*Ending the legal subordination of women in marriage