Historical events occurring on July 20 and 21

On July 20, 1969, the Apollo 11 mission achieved the first human moon landing, with Neil Armstrong and Buzz Aldrin touching down in the Sea of Tranquillity while Michael Collins orbited above. Other major historical dates include July 21, 1904, when the Trans-Siberian railway was completed, and July 21, 1944, when U.S. forces liberated Guam. In 2002, WorldCom filed for the largest bankruptcy in U.S. history due to a $3.85 billion accounting scandal, and Formula One driver Michael Schumacher secured his fifth world title. Also in 2002, Nauru established diplomatic relations with China, ending ties with Taiwan. In 2005, China revalued the yuan by 2.1 percent against the dollar. By July 2008, China and Russia finalized the demarcation of their 4,300-kilometer border, while Ram Baran Yadav was elected as the first president of Nepal. Finally, the NASA Space Shuttle program concluded its 30-year mission in 2011 with the final landing of the fleet.