## Encyclopedia > Afghanistan timeline April 2001

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# Afghanistan timeline April 2001

Afghanistan timeline

• In an effort to find out how western aid was being used, three U.S. officials completed a rare visit to Afghanistan.
• The second of five rounds of polio immunizations[?] of 2001 began after the Taliban Islamic Movement and the Northern Alliance agreed to a week-long ceasefire. The ceasefire enabled tens of thousands of staff and volunteers to operate freely to carry out a house-to-house effort to immunize all children under five years of age.

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