U.S. President Franklin D. Roosevelt dies in office; Vice President Harry S. Truman becomes President upon Roosevelt’s death. Franklin D. Roosevelt, the 32nd President of…
Tag: 12 April
12 April 1955
The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective. The development of the polio vaccine is a significant milestone in medical…
12 April 1955
The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective. Jonas Salk was an American medical researcher and virologist who is best…
12 April 2002
A suicide bomber blows herself up at the entrance to Jerusalem’s Mahane Yehuda Market, killing seven people and wounding 104.
12 April 1955
The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective. [rdp-wiki-embed url=’https://en.wikipedia.org/wiki/Polio_vaccine’]
12 April 1983
Harold Washington is elected as the first black mayor of Chicago. Harold Lee Washington, April 15, 1922 – November 25, 1987 was an American lawyer…
12 April 1831
Soldiers marching on the Broughton Suspension Bridge in Manchester, England result in it collapsing. On 12 April 1831, the 60th Rifle Corps carried out an…
12 April 1606
English and Scottish ships adopt the Union Jack as their flag. The Union Jack or Union Flag, is the national flag of the United Kingdom….
12 April 1606
The Union Flag is adopted as the flag for use on the English and Scottish ships.