The first being that Tess Durbeyfield's father, discovered that their family came from the oldest, and once the most wealthiest family in England. This single decision, of sending Tess to the d'Urberville, and making her leave the sheltered life and town of Marlott that she had known for so long would be the change in her life that would lead to so many other events for her. Had Tess not been sent to the d'Urberville home, she would not have met Alec nor would she have bore his child out of wedlock and her life would have been completely different.
Another event that occurs by mere chance in Tess's life is when Tess slips a letter of confession underneath both her lover's door and (by accident) the carpet, where he could not see it. Thus, Tess marries Angel under the impression that he has been informed of her past, when in fact he is ignorant of her former actions. After their marriage Tess enlightens Angel of her previous affairs when she realizes he has not received her letter and is surprised by his extremely disgusted reaction. Angel is regretful to have been informed of Tess's past after he has married her, as he now feels he has morally wronged in marrying an impure woman. As they had vowed, Tess and Angel stay married, although Angel cannot forgive Tess for her actions, and thus they separate temporarily. The coincidence in which the letter slipped under the carpet lead to Angel and Tess's