Timeline of United States discoveries four days into the ship's maiden voyage, "Titanic" struck an iceberg and sank two hours and forty minutes later, early on April 15, 1912. The sinking resulted in the deaths of 1,517 of the 2,223 people on board, making it one of the deadliest peacetime maritime disasters in history. After nearly 74 years of being lost at sea on the bottom of the ocean floor, a joint Franco-American expedition led by American oceanographer Dr. Robert D. Ballard, discovered the wreckage of the RMS "Titanic" two miles (3 km) beneath the waves of the North Atlantic on September 1, 1985. Ballard
Lifeboats of the RMS Titanic factors contributed to the lifeboats departing with only half capacity. 1,503 people did not make it on to a lifeboat and were aboard "Titanic" when she sank to the bottom of the North Atlantic Ocean at 2:20 a.m. on 15 April 1912. 705 people, mostly women and children, remained in the lifeboats until later that morning when they were rescued by RMS "Carpathia". Those aboard the lifeboats were picked up by "Carpathia" over the course of 4 hours and 30 minutes, from about 4 a.m. to 8:30 a.m., and 13 of the lifeboats were also taken aboard. The lifeboats were