WrestleMania 2000 was released on September 15, 2000 in Japan.
This game was developed in Japan by Aki Corporation but the export versions were released in Europe and North America first (in 1999). Know export released:
"WWF WrestleMania 2000 [Model NUS-NWXP-EUR]
"WWF WrestleMania 2000 [Model NUS-NWXE-USA]