Change history of grid forward compatibility

Rev	Date	Modified by	Minor edit	Spam	WikiText	Revert to
5	2019-02-10 15:49:40	pooryorick	no	no	5	5
4	2012-09-01 02:51:45	RLE	no	no	4	4
3	2009-02-02 15:19:32	lars_h	no	no	3	3
2	2009-01-29 20:20:34	jdc	no	no	2	2
1	2009-01-29 16:45:07	LV	no	no	1	1
0	2001-04-28 07:38:47	207.172.11.147	no	no	0	0