On this day in 1995, the Schengen Agreement, creating an open border between signatories, took effect.
On this day in 2005, 200,000 to 300,000 people marched in Taipei against China’s Anti-Secession Law, which threatens the use of force in the event that Taiwan declares independence.
On this day in 2010, the South Korean naval vessel ROKS Cheonan was torpedoed and sunk by North Korea.