Pollock and Know Nothing Party June 5 Pontiac’s Conspiracy May 17 Post, Christian Frederic April 29 Post Office, Pioneer Nov. 27 Powder Exploit, Gibson’s July 16 Powell, Morgan, Murdered by Mollie Maguires Dec. 2 Presqu’ Isle Destroyed by Indians June 4 Preston, Margaret Junkin Mar. 19 Priestley, Dr. Joseph Feb. 6 Printz, Johan Feb. 16 Provincial Conference June 18 Provincial Convention July 15 Provincial Troops March Against Wyoming Settlements June 22 Public Education Established Mar. 11 Purchase Caused Boundary Dispute June 9 Quakers Protest vs. Slavery Feb. 12 Quick, Tom July 19 Race Riot in Philadelphia July 12 Railroads Fight to Enter Pittsburgh Jan. 14 Reading Railroad Organized April 4 Rebels Raid on Carlisle June 27 Rebels Sack and Burn Chambersburg July 30 Records of Early Courts Jan. 11 Reign of Mollie Maguire Terror Ended Jan. 18 Riots at Philadelphia July 7 Rittenhouse, William Feb. 18 Ross, Betsy Jan. 30 Ross, George July 14 Ruffians Mob Pastor July 27 Runaway, Great July 5 Sailors Cause Bloody Election Oct. 1 Saturday Evening Post Aug. 4 Sawdust War July 10 School Law, First Mar. 1 Schoolmaster and Pupils Murdered by Indians July 26 Second Constitution for State Mar. 24 Settlers Massacred at Lycoming Creek June 10 Settlers Slay Chief Logan’s Family May 24 Shawnee Indians Murder Conestoga Indians April 28 Shikellamy, Chief Dec. 17 Sholes, Christopher L., Inventor of typewriter Feb. 14