Third tier promotion wobbles

Previous third-tier promotion wobbles below:

March 29th 1975 - Charlton 1 Grimsby 1 D
April 1st 1975 - Swindon 2 Charlton 0 _ L
April 5th 1975 - Charlton 2 Bournemouth 3 - L
April 7th 1975 - Tranmere 0 Charlton 1 - W
April 12th - Peterborough 1 Charlton 1 _ D
April 19th 1975 - Charlton 0 Bury 1 - L
April 22nd 1975 - Hereford 2 Charlton 2 - D
April 26th 1975 - Chesterfield 2 Charlton 0 - L
April 29th 1975 - Charlton 3 Preston 1 - W - promoted

P9 W2 D3 L 4

4th April 1981 - Charlton 1 Huddersfield 2 - L
11th April 1981 - Rotherham 3 Chartlton 0- L
14th April 1981 - Charlton 1 Portsmouth 2 - L
18th April 1981 - Fulham 1 Charlton 0 - L
21st April 1981 - Charlton 0 Oxford 0 - D
25th April 1981 - Carlisle 1 Charlton 2 - W - promoted

P6 W1 D1 L4