Celebrated on 05/22/2026
National Solitaire Day is observed annually on June 19 to commemorate the date in 1990 when Microsoft first included Solitaire in the Windows 3.0 operating system. The holiday was officially established by Microsoft in 2018 to celebrate the game's cultural impact and its status as one of the most played computer games in history.
National Solitaire Day was established by the card game company Bicycle in 2017 to celebrate the enduring popularity of solitaire card games. The date, May 22, was chosen to commemorate the release of Microsoft Windows 3.0 in 1990, which included the first digital version of Klondike Solitaire, helping to popularize the game worldwide.
Initially a simple pastime played with physical cards, solitaire exploded in popularity with the advent of personal computers. Microsoft's inclusion of Solitaire in Windows not only taught millions how to use a mouse but also made the game a cultural icon. Today, National Solitaire Day is celebrated with online tournaments, special events, and promotions by card companies and gaming apps. It also serves as a reminder of the game's history and its role in computer literacy.
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