On this day in 1993, the World Wide Web was made public domain.

On this day in 2002, Apple unveiled the eMac.

On this day in 2003, Apple launched the iTunes Music Store.

On this day in 1997, Star Fox 64 was released in Japan 🇯🇵

On this day in 1999, CIH (aka Chernobyl or Spacefiller) activated its destructive payload on infected systems. The virus would overwrite part of the BIOS, making vulnerable systems unbootable. The BIOS would have to be re-flashed, or the motherboard replaced, to fix this problem.

On this day in 2005, Windows XP Professional x64 Edition was released.

On this day in 1984, the Apple IIc was released.

On this day in 2005, "Me at the zoo" was uploaded to YouTube.

On this day in 2007, Pokémon Diamond and Pearl were released in North America.

On this day in 1989, the Nintendo Game Boy was released in Japan 🇯🇵

On this day in 1998, Windows 98 famously blue screened during a public demonstration at COMDEX '98.

On this day in 1965, Electronics magazine published an article by Gordon Moore, in which he predicted that the number of transistors in an integrated circuit would double every year. In 1975, he revised his prediction to every 2 years. This phenomenon would become known as Moore's Law.

On this day in 2011, Portal 2 was released.

On this day in 1970, the Apollo 13 astronauts returned safely to Earth.

On this day in 1972, Apollo 16 was launched from the Kennedy Space Center. It was NASA’s 5th mission to land on the moon.

On this day in 1892, General Electric was founded.

On this day in 2015, Grand Theft Auto V for Windows was released.

On this day in 1970, an explosion occurred in an oxygen tank aboard Apollo 13. The incident forced NASA to abandon the intended lunar landing and return the crew to Earth. 4 days later, the spacecraft splashed down in the South Pacific Ocean with all crew members alive.

50 years ago today, Apple co-founder Ronald Wayne sold his 10% share in the company. He later said that he does not regret his decision because he made the "best decision with the information available to me at the time."

On this day in 1976, the Apple 1 was released.

On this day in 2008, Mario Kart Wii was released in Japan 🇯🇵

On this day in 1959, NASA publicly announced the names of the first group of American astronauts. They were known as the Mercury Seven.

On this day in 2014, Microsoft ended support for Windows XP.

On this day in 1983, John Sculley became the 3rd CEO of Apple.

On this day in 1964, IBM announced the System/360 line of mainframe computers.

On this day in 1992, Microsoft released Windows 3.1.

On this day in 2009, the Nintendo DSi was released in North America.

On this day in 1975, Microsoft was founded in Albuquerque, New Mexico.

On this day in 1973, the first cell phone call in public was made by Martin Cooper.

On this day in 1980, Microsoft announced their very first hardware product: the Z-80 SoftCard for the Apple II.

50 years ago today, Steve Jobs, Steve Wozniak, and Ronald Wayne founded the Apple Computer Company.

On this day in 1998, Netscape released the source code for its Communicator suite on the newly-created Mozilla.org.

On this day in 1951, the first UNIVAC computer was delivered to the U.S. Census Bureau.

On this day in 2005, Puppy Linux 1.0 was released.

On this day in 1996, Wing Commander III for the PlayStation was released in North America.

On this day in 2011, the Nintendo 3DS was released in North America.

On this day in 2013, Terraria for the PlayStation 3 was released in North America.

On this day in 1995, WikiWikiWeb (the first Wiki) was launched.

On this day in 2001, the first major version of Mac OS X was released. It sold for $129.00.

On this day in 1993, Kirby's Adventure was released in Japan 🇯🇵

On this day in 1993, Intel introduced the first Pentium microprocessor.

On this day in 2001, the Game Boy Advance was released in Japan 🇯🇵

On this day in 2005, Yahoo! acquired Flickr for an estimated $22 million.

On this day in 2002, Pac-Man World 2 for the GameCube was released.

On this day in 2005, Mario Party 6 was released in Europe.

On this day in 1988, Apple filed their user interface lawsuit against Microsoft, claiming copyright infringement.

On this day in 2012, "The new iPad" was released.

On this day in 1985, the very first .COM domain, symbolics.com, was registered.

On this day in 2002, the original Xbox was released in Europe and Australia.

On this day in 1986, Microsoft went public. The company sold 2.5 million shares by the end of the day.