CREATE TABLE table_648 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" FLOAT)

Name the date with the record of 1-0
SELECT "Date" FROM table_648 WHERE "Record" = '1-0'
SELECT "Date" FROM "table_648" WHERE "Record" = '1-0'