Prince Harry and Meghan Markle, take notes. If you haven't heard by now, Prince Harry and Meghan Markle are *officially* engaged. Kensington Palace confirmed the wedding will take place May 2018, and we can hardly contain our excitement (!!!). Even though Prince Harry and Meghan's romance has broken many age-old traditions, there's still strict engagement and wedding rules we can expect them to abide by. Ahead, 30 marriage traditions that have existed throughout royal history.