1. Eastern Samar became an independent province in 1965 after being split from the province of Samar.
2. It played an important role in Philippine history as the landing site of Ferdinand Magellan in 1521 and the location of the "Balangiga Massacre" in 1901 where Filipino rebels attacked American troops.
3. Eastern Samar has a long history of contact with Western civilization dating back to the arrival of Jesuit missionaries in the 16th century and the landing of US Army Rangers in 1944, three days before the Battle of Leyte.