History Made Every Day™

ENTER A DATE
CATEGORY

ENCYCLOPEDIA:

X RAY,

X rays were discovered accidentally in 1895 by the German physicist Wilhelm Conrad Roentgen while he was studying cathode rays in a high-voltage, gaseous-discharge tube. If the . . .

Mobile

Sign up for the "This Day in History" Mobile Alerts!

History Games

Play games on history now!

TDIH Widget

Get the This Day in History Widget now!

TDIH Newsletter

Sign up for the This Day in History Newsletter.

History.com Video Guide

Easy access to the best videos.
The Hitler Conspiracy:

Monday, November 16 at 8 AM EST

The Hitler Conspiracy:

Monday, November 16 at 2 PM EST

Weird Weapons: The Axis.

Friday, November 13 at 11 PM EST

Weird Weapons: The Axis.

Saturday, November 14 at 3 AM EST