par Dubois Chloé 
Introduction
This detailed guide will cover the evolution of marriage over 80 years, exploring traditions, customs, and trends that have marked generations and led to the evolution of modern-day marriage. It is aimed at those who want to understand marriage through time and discover how it has evolved to become what it is today.
Brief Historical Overview of Marriage
Marriage has been an essential institution in human societies for thousands of years. It has served various purposes, including social, economic, political, and religious, and has taken on many different forms throughout history.
Marriages before the 20th Century
Marriages before the 20th century varied greatly across cultures and eras. Traditional marriage practices, customs, and laws were prevalent, shaping the dynamics of relationships and families in each society.
The 20th Century: Modern and Industrial Marriages
The 20th century brought significant changes to marriage due to the industrial revolution, the women’s rights movement, and the emergence of new marriage practices.
The 1950s-1960s: Romantic and Nuclear Marriages
The 1950s and 1960s marked the birth of the romantic ideal of marriage and the popularization of the nuclear family model.
The 1970s-1980s: Liberal and Alternative Marriages
The 1970s and 1980s saw a rise in liberal and alternative marriage practices, including the push for same-sex marriage and interracial marriage, as well as the emergence of non-traditional marriage forms such as civil and spiritual marriages.
The 1990s-2000s: Technological and Globalized Marriages
The 1990s and 2000s brought about significant changes in marriage due to technological advancements and globalization, leading to the emergence of online marriages and international marriages.
The 2010s-2020s: Modern and Personalized Marriages
The 2010s and 2020s have seen a return to traditional marriage values, with marriage playing a crucial role in economic stability, while also offering a wide range of diverse marriage forms and ceremonies.
Conclusion
Current trends in modern marriage, challenges, and opportunities are discussed, as well as perspectives for the future of marriage in the coming years.
References
List of primary and secondary sources used for the creation of this guide.
Glossary
Explanations of key terms and concepts presented in the guide.
Index of Names
Index of names of people, places, and organizations mentioned in the guide.
Appendix
Supplementary sources on marriage throughout history, frequently asked questions about marriage, statistics and data on marriage around the world.
Disclaimer
Warning concerning the nature of the information contained in the guide, as well as personal opinions expressed in the guide.