A Historical Timeline Step into the past and walk in the footsteps of history. This timeline unveils the turbulent and fascinating story of our region. It is a tale of Vikings and saints, of fortified towns and royal prisoners. From the very shores where William the Conqueror launched his fleet in 1066 to the sandy beaches where aviation pioneers took flight in the 20th century, discover the events that shaped the unique character of Ponthieu and the Somme Bay.