It explains why Prince Harry and Meghan's future daughters won't inherit their titles.
The day out next Thursday will kick start a busy week for the pair as they take to the Buckingham Palace on Saturday for the Trooping of the Colour.
New Duchess of Sussex Meghan Markle has also shown her public support for the Invictus Games. He said in a statement, "I am delighted to announce that The Hague is taking up the challenge of hosting the fifth Invictus Games in 2020", the newly appointed Duke of Sussex said via a statement. As he's the oldest son of Prince Charles, his children will all be titled Princes and Princesses.
Prince Andrew and Sarah Ferguson followed suit in 1986, with Kate and William carrying on the tradition in 2011.
'The balcony appearance is the ideal symbol of how Meghan has been welcomed into the family'.
But now it has been reported Meghan and the Queen will sleep on the train next Wednesday for an overnight journey to the north.
Nigeria World Cup kit sells out in minutes, fans queue
Nigeria will also play in London this week as they face England in a friendly at Wembley as part of World Cup preparations. The Football World Cup is around the corner and global teams have already released their official World cup kits.
So what makes Meghan different? The royal wedding was a majestic and splendid affair.
Sounds like the flawless opportunity for some one-on-one quality time for the Queen and Meghan.
The only other Royal Family member to have used the train is Prince William, who is believed to have rode it during his birthday tour in 2003.
Many organisations have been campaigning that a change is made to the legislation to allow women to carry on their family titles, the Daily Mail reports.
In fact, Her Majesty and Meghan Markle will attend a joint engagement together, minus Prince Harry, when they go to Chester in the United Kingdom together on June 13. Maybe this is The Queen's way of shutting down the racist haters, squashing any rumours people are trying to make happen, or letting Meghan know how truly accepted she is, especially given all that she gave up for Harry and the BRF. In the latest episode of the New Idea Royals podcast, Frances Sheen and royal expert Angela Mollard take you behind the scenes of the big day - from the bride's stunning dresses to the surprise guest list - and talk through all the highlights that kept us all riveted.