The Sussexes first post, shared on Tuesday afternoon, quickly attracted attention.
The account launched with a carousel of photos, starting with a photo of their monogram, followed by a series of photos highlighting their work and travels together.
The post alone garnered more than 960,000 likes for the Duke and Duchess of Sussex.
FAA says glitch fixed, United States airlines back up
One passenger tweeted , "Are there any better words to hear at an airport than "nationwide, all flights are grounded"??" Passengers wait to board a delayed Southwest flight at Ronald Reagan Washington National Airport in Arlington, VA, U.S.
The announcement comes amid the news that Harry and Meghan had split royal households from Prince William and Kate Middleton.
Britain's Prince Harry and his wife Meghan broke a record by reaching one million followers.
As for other Instagram records, the Guinness World Record for the most-liked post on the platform is now held by an egg - although who knows whether Meghan and Harry may be able to break this record in the future, too.
The royal couple have taken the title from KPOP Idol Kang Daniel who achieved 1 million followers in 11 hours 36 minutes - double the amount of time it took Harry and Meghan.
Drivers give tips to stay safe when using Uber, Lyft
Never, even in a taxi, like I would never take any sort of transportation by myself if you don't know the driver. Josephson's body was found in Clarendon County, about 65 miles (105 kilometres) from Columbia, police said.
In just one day, Harry and Meghan already have 500,000 of their own followers on Instagram.
"We ask that anyone engaging with our social media channels shows courtesy, kindness and respect for all other members of our social media communities", the statement added.
Are you excited for the arrival of Harry and Meghan's first child?
"This long-planned move will ensure that permanent support arrangements for The Duke and Duchess's work are in place as they start their family and move to their official residence at Frogmore Cottage", a statement from the Royal family read.
Suspect Arrested in Fatal Shooting of Rapper Nipsey Hussle, LAPD Says
HollywoodLife will continue to share updates about the shooting death of Nipsey Hussle as more details are confirmed. It was a sobering moment for those gathered there to hear about the magnanimity of a talented Black man.