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
CAF Clubs of the 20th Century has not been considered. Clubs' performance on the first edition of the FIFA Club World Cup, held in Brazil in January 2000, has been included in the ranking. CAF's classification of African clubs is made on the following basis: Top Ten Africa's clubs of the 20th Century: Based on this statistical study, Egypt's Al-Ahly was named as "African club of the century" by the continental governing body on 31 December 2000. CAF Clubs of the 20th Century On 31 December 2000 the Confederation of African Football (CAF) has published a ranking with the most successful clubs of the 20th century