oil in the Gulf of MexicoMay 30, 1998: A magnitude-6.6 earthquake kills an estimated 4,000 people near Mazar-i-Sharif in northeastern Afghanistan.

May 30, 1998: Pakistan completes a series of six nuclear tests in three days — a response to India’s three nuclear explosions earlier in the month.

May 30, 2010: After more than a month of downplaying the potential extent of the Gulf of Mexico oil spill (at right), BP and the U.S. government concede that the spill may not be contained for months.

Photo: ZUMA Press

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.