ROCK ISLAND — Father Michael Schaab, pastor of St. Pius X Parish in Rock Island, will explore the major decrees of the Second Vatican Council, which was held 50 years ago, on Saturday, Jan. 19, 9 a.m. to noon at Benet House Retreat Center, 2200 88th Avenue West. The cost is $20. Lunch is available for another $8. For more information, contact Sister Jackie Walsh at (309) 283-2108 or retreats@smmsisters.org.