Google, and its famous Doodle, has turned 25, marking over two decades of fun illustrations and GIFs to celebrate landmark events, including the tech company's birthday.
Click through the see 25 of our favourite doodles celebrating the tech company's birthday and other historical events.
Google's first Doodle was published in 1998 as a joke by the company's founders.
It featured an illustration of the infamous Burning Man statue to remind users that the founders would be out of office as they attended the festival.
Google celebrated its fourth birthday with this Doodle, which replaced the L with a 4, and includes a birthday cake.
German residents saw this Doodle when they opened the browser on election day in 2009.
This doodle celebrated Jale Inan, often cited as the first female Turkish archaeologist.
The Doodle includes Inan placing back the top half of the Google G - this references how she located the missing half of the Farnese Hercules statue.
The Doodle ran on Google last year to celebrate the anniversary of the statue's restoration in 2011.
This Doodle ran during the Mid Autumn Festival in 2015.
The festival is celebrated on the 15th day of China's eighth lunar month, and is a time for thanks and togetherness for those who celebrate.
Google celebrated its ninth birthday with this Doodle, which depicts a pinata breaking open in the shape of a 9, replacing the second G.
The company went all out for its 10th birthday, with a full illustration of the Google letters around a birthday cake.
Google's 11th birthday was celebrated with a simple 11 hidden within the word.
Artist Wayne Thiebaud contributed to Google's 12th birthday doodle.
The artist is known for his illustrations of cakes and pastries.
Google switched it up for its 13th birthday with an animation Doodle.
The Doodle for Google's 14th birthday used negative space to get the point across - the bits of cake taken from the slab spell out Google, with the candles tallying 14.
Google's 15th birthday Doodle features smiling letters and a birthday cake.
Google's 16th birthday Doodle was a simple switch-up of font with a fun party hat.
Google celebrated the Korean festival of Chuseok in 2015 with this Doodle, which represented the Google colours as dumplings.
The festival is a time of thanks an memorial for Koreans, who make their way to their ancestrial hometowns as part of Chuseok.
Google went for a retro Doodle for its 17th birthday as a way to pay homage its roots.
Google celebrated its 18th birthday with a GIF which showed the first G blowing up a balloon to spell out the rest of the word.
Google's 19th birthday paid homage to the tech company's knack for surprises.
Users who clicked on this Doodle were taken to a page of 19 surprises run by Google over 19 years.
Google's 20th birthday Doodle features a collection of birthday presents with inflatable balloons spelling out Google.
Google's 21st birthday threw it back to 1998, featuring a chunky desktop computer which was all the rage back in the day.
Google's 22nd birthday paid homage to the company's founders Larry Page and Sergey Brin, who "set out to improve the way people interacted with the wealth of information on the World Wide Web".