Short answers, pulled from the story.
The earliest discovered settlement at Acre dates to around 3000 BC during the Early Bronze Age. This initial community appears to have been abandoned after a few centuries, possibly due to inundation of its surrounding farmland by the Mediterranean Sea.
King Baldwin I of Jerusalem captured Acre following a four-year siege after the First Crusade in 1104. The Crusaders made the town their chief port in the Kingdom of Jerusalem and used it as a vital link for advancing into the Levant.
Napoleon appeared before Acre on the 20th of March 1799 but was repulsed by Turks aided by Sir Sidney Smith and British sailors after a two-month siege. He retreated on the 21st of May having lost his siege cannons to Smith.
The 1922 census recorded 6,420 residents in Acre including 4,883 Muslims, 1,344 Christians, 102 Bahá'ís, 78 Jews and 13 Druze. This data reflects the population at the beginning of the Mandate period.
Israel's Carmeli forces attacked Acre on May 16 after delivering an ultimatum that unless inhabitants surrendered they would destroy them to the last man. The town notables signed surrender instruments on the night between 17 and the 18th of May 1948.
Acre serves as the holiest city of the Bahá'í Faith receiving many pilgrims every year because Bahá'u'lláh died there on the 29th of May 1892 in Bahjí where his Shrine contains remains. His final years were spent in the Mansion of Bahjí just outside Acre even though he remained formally a prisoner of the Ottoman Empire.