20th century research and practice of science led to advancement in the fields of communication, engineering, travel, medicine, and war. 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
Western use of the swastika in the early 20th century in 1888 as the Dublin Laundry Company. Upon the outbreak of World War II in 1939, the company's customers were concerned about the company's name. Accordingly, it was changed to "Swastika Laundry (1912) Ltd". The company's fleet of electric delivery vans were red, and featured a black swastika on a white background. The business started in the early 20th century and continued up until recent times. The Laundry's tall chimneystack was emblazoned with a large white Swastika, a protected structure, which was clearly visible from the surrounding streets. The name and logo eventually disappeared when the laundry was absorbed into