Skip to content
  • Timeline
  • Subscribe
  • Contact Us
  • About
  • Timeline
  • Subscribe
  • Contact Us
  • About
Hagg.ai
Monitoring Antisemitism Intel
April 12, 2024
What is this data

Today in History: Polio vaccine declared safe

Source: chicagotribune.com chicagotribune.com
Key Topics in this News Article:
Alabama Art Casino Catholic Christianity Civil War Confederacy Congress Coronavirus Disneyland education Entertainment France Georgia Holocaust hotel Judaism Nazi Nevada Outer Space Pandemic Paris Patent Pope Prison Religion
News Snapshot:
Today is Friday, April 12, the 103rd day of 2024. There are 263 days left in the year. Today’s Highlight in History: On April 12, 1955, the Salk vaccine against polio was declared safe and effective. On this date: In 1861, the U.S. Civil War began as Confederate forces opened fire on Fort Sumter in South Carolina. In 1945, President Franklin D. Roosevelt died of a cerebral hemorrhage in Warm Springs, Georgia, at age 63; he was succeeded by Vice President Harry S. Truman. In 1955, the Salk vaccine against polio was declared safe and effective. In 1961, Soviet cosmonaut...
Note: Please don’t mind the mess. Some source code may appear in the Snapshot above as we train our A.I.
Share on Social Media:
Facebook
Twitter
LinkedIn
Telegram
Reddit
Pocket
View Original Full News →
You may also like

News Timeline:
Track the development of this news story across the Internet.

December 31, 2025

Notable deaths 2025


Source: bbc.com bbc.com

December 27, 2025

From Pope Francis to Charlie Kirk, many deaths in 2025 had a wide impact


Source: live5news.com live5news.com

December 19, 2025

From Pope Francis to Charlie Kirk, the deaths that defined 2025


Source: firstpost.com firstpost.com

December 18, 2025

All in the Family Cast Reacts to the Deaths of Rob and Michele Reiner


Source: usmagazine.com usmagazine.com

December 8, 2025

Celebrity birthdays for the week of Dec. 14


Source: wtop.com wtop.com

December 8, 2025

Celebrity birthdays for the week of Dec. 14-20


Source: apnews.com apnews.com

October 11, 2025

David Bowie said ‘he’d have been a bloody good Hitler’ and claimed Nazi leader ‘was one of the first rock stars’


Source: dailymail.co.uk dailymail.co.uk

August 5, 2025

Noteworthy and influential people who’ve died this year


Source: apnews.com apnews.com

July 14, 2025

Today in History: July 14, the storming of the Bastille


Source: mercurynews.com mercurynews.com

News Timeline | Contact | About | Privacy

Twitter Linkedin

© 2026 Hagg.ai. Individual news stories are copyright their respective sources. Computer algorithms generally select what is shown on Hagg.ai. The algorithms determine which stories, images, and videos show, and in what order.

What Does This Data Mean?

1: Date and Title 
This displays both the date Hagg.ai picked up the news and the original headline of the news from the source.

2: Source
View the name of the original source website, along with the source’s icon image. You can click the source name to visit the homepage of that source.

3: Key Topics
The great power of Hagg.ai rests here, where we use A.I. technology to extract the key topics and themes for the news article. You can click each topic to see many more articles categorized to that specific topic.

4: News Snapshot
Read a quick blurb extracted from the source news.

5: View Original Full News
Click this button to go directly to the original source article on the source’s own website.

6: News Timeline
Hagg.ai is powerful and our News Timeline shows you the genesis of where this news came from and other related news stories. The Timeline builds you a history of where the news came, so you can chart where the news may go!

Hagg.ai How-To