Pentium II was created in 1997.

No. The Pentium II was only available in a Slot 1 cartridge, with the exception of the Pentium II Overdrive, which was made as an upgrade to Socket 8 motherboards. Pentium II-based Celerons, however, were the first processors available for Socket 370, which was later used for Pentium IIIs.

On the contrary

Pentium II, Athlon XP, Pentium 4 Celeron, Pentium Extreme Edition

• The Intel Pentium II was released in a Slot 1 package, while the Pentium Pro used socket 8. Adapters were available to use Pentium Pros in Slot 1 motherboards, and a version of the Pentium II was released for Socket 8.
• The Intel Pentium II includes MMX instructions, while the Pentium Pro does not.
• The Intel Pentium II has improved performance in 16-bit applications. 32-bit applications were not affected quite as much.