Robotic lawnmowers around the world have been updated to celebrate the 10th anniversary of the Curiosity rover on Mars.

An unusual global harmony is taking place today to celebrate the birthday of the “loneliest robot in the universe”.

On this date in 2012, NASA’s Curiosity rover landed on Mars. She celebrated the achievement a year later by singing herself Happy Birthday. To conserve the robot’s battery supply, he never sang the song again.

To celebrate 10 years in March, lawnmower maker Husqvarna has given its 100,000 robotic lawnmowers the ability to sing “Happy Birthday” to their robotic colleagues.

Owners of a riding lawnmower who want to participate can download the latest update, giving their robotic car the ability to sing.

Once installed, the machines will play a birthday tune today at 12:00, 15:00 and 18:00 local time.

Husqvarna said its Automowers have a small buzzer for alarms and audio notifications. The company’s engineers adapted this buzzer to create a series of musical notes for the occasion.

It will be available on the 405X, 415X and 435X AWD Automowers.

Although the Happy Birthday song hasn’t been sung for the Curiosity rover in some time, this isn’t the only birthday celebration the robot has had. For its 4th anniversary, NASA released a small game on Android and iOS devices to stimulate interest in the rover’s mission.

The humble Curiosity rover tweeted that its team members have one Question and Answer Event on Twitter Spaces today, to celebrate the rover’s various achievements over the past decade.

And it won’t be the last time robotic lawnmowers sing, as Husqvarna plans to make the Happy Birthday song available to Automower owners permanently this September to bring “joy to future family birthday celebrations.” Maybe robots will sing for the Curiosity rover every year.

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