Unix Timestamp: 990489600
Tuesday, May 22. 2001, 12:00:00 AM UTC

Sherpa Temba Tsheri, 16, becomes the youngest person to summit Mount Everest.

The Versailles wedding hall disaster kills 23 in Jerusalem, Israel.

May 23 – The Bahá'í Terraces officially open on Mount Carmel in Haifa, Israel (site of the Shrine of the Báb and the Bahá'í World Centre).

Jim Jeffords, the United States Senator for Vermont, leaves the Republican Party and becomes an Independent. He joins the Democratic caucus, giving them a 51-49 majority for the remainder of 107th United States Congress.

A Hamas suicide bomber kills 21, mostly teenagers, in the Dolphinarium disco in Tel Aviv, Israel.

Crown Prince Dipendra of Nepal kills his father, the king, his mother and other members of the royal family with an assault rifle and then shoots himself in the Nepalese royal massacre. Dipendra dies June 4, as King of Nepal. His uncle Gyanendra accedes to the throne.

A large trans-Neptunian object (28978 Ixion) is found during the Deep Ecliptic Survey.