2000 : January - February - March - April - May - June - July - August - September - October - November - December

---

This is a timeline for events in April, 2000.

• April 1 - Japanese prime minister Obuchi Keizo suffers a stroke and falls into a coma.
• April 3 - Microsoft antitrust case: Microsoft is ruled to have violated United States antitrust laws by keeping "an oppressive thumb" on its competitors.
• April 5 - Mori Yoshiro replaces Obuchi as prime minister of Japan.
• April 7 - Attack submarine ex-Trepang completes being recycled.
• April 16 - Tuanku Syed Putra ibni Almarhum Syed Hassan Jamalullail, Raja of Perlis dies after a reign of 55 years. He was the longest reigning monarch in the world since the death of Hirohito, Emperor of Japan.
• April 17 - Tuanku Syed Sirajuddin becomes Raja of Perlis.
• April 22 - In a predawn raid, federal agents seize six-year old Elián González from his relatives' home in Miami, Florida and fly him to his Cuban father in Washington, DC ending one of the most publicized custody battles in US history.
• April 25 - The State of Vermont passes HB847, legalizing Civil Unions for same-sex couples.