Siemens mobile phone Easter Eggs

Enter a new entry in the "Phonebook" of the phone using 2 as the phone number (yes, just the number two, nothing else) and select the mobile phone as the location for the entry (not the SIM card).

When you press the 'Save' soft-key, a screen appears... more

Save new entry to phonebook:
Number: 2000
Name: History

And that's it - Have a nice vacation with creators.