1. On December 30, 1983, the renowned Washington Post gossip columnist Sally Quinn married former Washington Post executive editor Ben Bradlee at their Georgetown home. The event was a star-studded affair with guests including Supreme Court Justice Sandra Day O'Connor and former Secretary of State Henry Kissinger.

2. December 30, 1862, saw the Battle of Chickasaw Bayou, which was a Union defeat in the Vicksburg Campaign of the American Civil War. Confederate forces under General John C. Pemberton successfully defended their position against Union troops led by General William T. Sherman.

3. On December 30, 1903, President Theodore Roosevelt withdrew more than 3 million acres of forested land on the Olympic Peninsula from public sale or disposal. The action was a major conservation effort to protect old-growth forest and wildlife habitat in the Pacific Northwest.

4. December 30, 1972, was the day the Washington Bullets defeated the Portland Trail Blazers 120-118 in a double-overtime game at the Capital Centre in Landover, Maryland. It was the longest game in NBA history at the time, lasting 67 minutes and featuring a total of 22 players.

5. The first-ever Washington D.C. auto show opened on December 30, 1907. Held at the Convention Hall on 5th Street NW, the show featured 93 exhibitors and attracted more than 9,000 visitors. It remains a popular annual event in the city to this day.