31st May

World War II, or the Second World War, was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated. Tanks and aircraft played major…

World War I, or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Major areas of conflict included Europe and the…

The Overland Campaign, also known as Grant's Overland Campaign, the Virginia Campaign, and the Wilderness Campaign, was a series of battles fought in Virginia during May and June 1864, towards the…

The Guarded Domains of Iran, commonly known as Qajar Iran, was the Iranian state under the rule of the Qajar dynasty, which lasted from 1789 to 1925. It was founded by Agha Mohammad Khan, a chieftain…

In the United States of America, copyright grants monopoly protection for "original works of authorship". With the stated purpose to promote art and culture, copyright law assigns a set of…

The American Revolution (1765–1789) was a political movement in the Thirteen Colonies of Great Britain. The movement began as a rebellion and evolved into a revolution resulting in the sovereign…

The president of Mexico, officially the president of the United Mexican States, is the head of state and head of government of Mexico. Under the Constitution of Mexico, the president heads the…

The Uniform Monday Holiday Act is an Act of Congress that permanently moved two federal holidays in the United States to a Monday, being Washington's Birthday and Memorial Day, and further made…

The United States Senate is a chamber of the bicameral United States Congress; it is the upper house, and the U.S. House of Representatives is the lower house. Together, the Senate and House have the…

The Constitution of 1961 was the fundamental law of South Africa for two decades. Under the terms of the constitution South Africa ceased to be a Commonwealth realm and became a republic, albeit,…

The Second Boer War, also known as the Boer War, Transvaal War, Anglo–Boer War, or the South African War, was a conflict fought between the British Empire and the Boer republics over Britain's…

The 2013 El Reno tornado was an extremely large, intense, and erratic tornado that occurred and hit a rural part of Central Oklahoma during the early evening of May 31, 2013. This rain-wrapped,…

Timothy Francis Leary was an American psychologist and author known for his strong advocacy of psychedelic drugs. Evaluations of Leary are polarized, ranging from "bold oracle" to…

Birger Magnusson was King of Sweden from 1290 until his deposition in 1318. The son of King Magnus Ladulås and Queen Helvig of Holstein, Birger was crowned at a young age and…

Brigadier-General Sir Samuel Bentham was an English mechanical engineer and naval architect credited with numerous innovations, particularly related to naval architecture,…

Stanley Fischer was an American and Israeli economist who served as the 20th vice chair of the Federal Reserve from 2014 to 2017. Fischer previously served as the 8th governor of…

Owen Lattimore was an American Orientalist and writer. He was an influential scholar of China and Central Asia, especially Mongolia. Although he never earned a college degree, in…