◆ On this day

April 30

4 sourced moments from April 30 in history: Washington's 1789 inauguration came nearly two months late; The Louisiana Purchase nearly doubled the size of the United States (1803); The Fall of Saigon Ended the Vietnam War (1975), plus 1 more.

‹

›

M 27 T 28 W 29 T 30 F 1 S 2 S 3

4 things happened on April 30

newest first ↓

1993 Technology · The Internet

CERN gave the World Wide Web away to everyone, for free

On April 30, 1993, CERN placed the World Wide Web software in the public domain, letting anyone use, copy, and build on it for nothing.

Read →

1975 History · War & Conflict

The Fall of Saigon Ended the Vietnam War

After two decades of conflict, North Vietnamese tanks rolled into the southern capital and a war finally went silent.

Read →

1803 Geography · Borders & Maps

The Louisiana Purchase nearly doubled the size of the United States

On April 30, 1803, the US agreed to buy 828,000 square miles from France for $15 million — about 4 cents an acre.

Read →

1789 History · Modern

Washington's 1789 inauguration came nearly two months late

Snowbound congressmen delayed the first inauguration to April 30, 1789 — and nobody remembered a Bible until a Mason ran to fetch one.

Read →