jan 1, 1798 - Marriage slowly started becoming more about love

Description:

The idea of love for marriage began to spread in the late 18th century and early 19th century, partly due to the French and American revolutions.

Source: https://www.huffpost.com/entry/love-marriage-history_n_4774740#:~:text=The%20ideal%20of%20love%20as,personal%20happiness%2C%E2%80%9D%20Coontz%20said.