May is the fifth month of the year in the Gregorian Calendar. It has 31 days.
- Divers is introduced.
- LEGO Space: The Videogame is announced.
- Alien Conquest is introduced.
- 71005 The Simpsons Series is released.
- The word LEGO is officially registered in Denmark.
- All of the first line of sets from the Toy Story 3 subtheme are released in the US.
- MMMB008 Flower is made available.
- 3300003 LEGO Brand Retail Store was released in the LEGO Store in Vancouver, BC, Canada with purchases of CA $35 as a special Grand Opening event.
- The movie LEGO Star Wars: Revenge of The Brick was released.
- 5633 Polar Zoo was released in the US.
- German Brickfilm-festival named Steinerei took place in Hanover, Germany.
- German Brickfilm festival named Steinerei was held for the first time in Gießen, Germany.