1836: Santa Anna Launches Siege on the Alamo

On February 23, 1836, Mexican General Santa Anna began a siege against nearly 200 Texan rebels stationed inside the Alamo. He launched an assault...

1983: Reagan Delivers “Star Wars” Speech

On March 23, 1983, President Ronald Reagan proposed the development of the Strategic Defense Initiative (SDI), a space and ground-based defense system to intercept...

1989: Exxon Valdez Wreck Causes Massive Oil Spill

On March 24, 1989, the oil tanker Exxon Valdez struck a reef in Alaska’s Prince William Sound, causing 11 million gallons of oil to...

1923: King Tut’s Tomb Unsealed

On February 16, 1923, King Tutankhamen’s tomb was unsealed and entered by an excavation team led by British archaeologist Howard Carter and financial backer...

1995: Aum Shinrikyo Cult Releases Nerve Gas on Tokyo Subway

On March 20, 1995, members of the Aum Shinrikyo cult released poisonous sarin gas on five Tokyo subway trains, killing 12 and injuring thousands. Poisonous...