AXIOMNOS

Guides

ThemesHistorical timeline guideWorld history chronologyKings of France timelinePopes timelineGauls & AlesiaEditorial methodPeriodic tableElement timeline
FR|EN

← Periodic table

Emilio Segrè

1905–1989

Italy, then United States

physicist

Linked elements

  • 43 Technetium (Tc)
  • 85 Astatine (At)

Guides & chronologies

  • Themes
  • Historical timeline guide
  • World history chronology
  • Kings of France timeline
  • Popes timeline
  • Gauls & Alesia
  • Editorial method
  • Periodic table
  • Element timeline
  • Interactive timeline →

Axiomnos

World history timeline.

© 2026 Axiomnos. All rights reserved.