1869 is considered as the year of discovery of the Periodic System, and Dmitri Mendeleev was a major discoverer. 2019 will be the 150th anniversary of the Periodic Table of Chemical Elements and has therefore been proclaimed the "International Year of the Periodic Table of Chemical Elements (IYPT2019)" by the United Nations General Assembly and UNESCO.
- The Modern Triumph of the Periodic Table of the Elements
- Periodic Table Turns 150
- International Year of the Periodic Table
- !50th Birthday
- Science News
- Dmitri Ivanovich Mendeleev
- The Periodic Table Song
- They Might be Giants
- Tom Lehrer