Wikipedia:Selected anniversaries/January 28
- 1521 - The Diet of Worms was convened to discuss Martin Luther and the Protestant Reformation in the Holy Roman Empire.
- 1820 - A Russian expedition led by Fabian Gottlieb von Bellingshausen approached the coast of Antarctica.
- 1855 - A locomotive on the Panama Railway made the world's first transcontinental crossing.
- 1921 - A symbolic Tomb of the Unknown Soldier was installed beneath the Arc de Triomphe in Paris.
- 1986 - NASA Space Shuttle Challenger disintegrated 73 seconds into its tenth mission (pictured).
Recent days: January 27 – January 26 – January 25
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