On April 28
On April 28, the Human Saga records one pivotal event: Ardashir I defeats the Parthians at Hormozdgan and founds the Sasanian Empire (224 CE).
On this day
On 28 April 224 CE Ardashir I, a ruler from Persis (Fars) descended from the line of Sasan, defeated and killed Artabanus IV, the last Arsacid king of kings, on the plain of Hormozdgan.
Also this week in history (Apr 25 – May 1)
On 25 April 1953 the journal Nature published a trio of papers describing the molecular structure of deoxyribonucleic acid (DNA).
On 30 April 1975, North Vietnamese forces captured Saigon, the capital of South Vietnam, ending the Vietnam War.
On 30 April 1993 the European physics laboratory CERN, at the urging of the Web's inventor Tim Berners-Lee, signed a declaration placing the World Wide Web's underlying software and protocols into the public domain, making the technology…
On 27 April 1994 South Africa held its first fully democratic election, the first in which citizens of all races could vote, ending the apartheid system of institutionalised racial segregation that had governed the country since 1948.
By a treaty signed in Paris and dated 30 April 1803, the United States bought the vast Louisiana Territory from Napoleonic France for roughly $15 million, acquiring some 828,000 square miles of land west of the Mississippi River.
On 27 April 1848 the provisional government of the French Second Republic issued a decree abolishing slavery in all French colonies, freeing roughly 250,000 enslaved people in the Caribbean, Indian Ocean and elsewhere.
The Great Exhibition of the Works of Industry of All Nations opened in Hyde Park, London, on 1 May 1851 and ran until 15 October, the first in the great series of international world's fairs.
On 26 April 1956, the SS Ideal X, a converted World War II T-2 oil tanker owned by Malcom McLean's Pan-Atlantic Steamship Company, departed Port Newark, New Jersey, carrying 58 standardised 35-foot truck-trailer containers alongside a load…