October 2023

• 31 - Halloween 2023

June 2023

• 26 - World Refrigeration Day 2023

May 2023

• 20 - World Metrology Day 2023

March 2023

• 14 - Pi Day 2023

October 2022

• 11 - Ada Lovelace Day 2022

July 2019

• 19 - Valhalla

April 2019

• 10 - ACCU 2019

February 2019

• 01 - OOP 2019

September 2018

• 13 - JavaZone 2018

September 2014

• 10 - JavaZone 2014