20th century 20th century The 20th (twentieth) century was a century that began on January 1, 1901 and ended on December 31, 2000. It was the tenth and final century of the 2nd millennium. It is distinct from the century known as the 1900s which began on January 1, 1900 and ended on December 31, 1999. The 20th century was dominated by a chain of events that heralded significant changes in world history as to redefine the era: flu pandemic, World War I and World War II, nuclear power and space exploration, nationalism and decolonization, the Cold War and post-Cold War conflicts;
Modern Times: Photography in the 20th Century Modern Times: Photography in the 20th Century Modern Times: Photography in the 20th Century was the first exhibition focussed on artists of the 20th century to be held by the Rijksmuseum in Amsterdam, the Netherlands. The show, whose title is also "Modern Times" in Dutch and which ran from November 2014 to January 2015, was also the first exhibition to be held in the re-opened Philips Wing, a part of the museum that was remodeled to host temporary exhibitions. It was the museum's second photography exhibition after its successful "A new art: Photography in the 19th century", held in 1996.