https://en.wikipedia.org/w/index.php?title=Solar_cycle&diff=next&oldid=675200924
"[[File:Carbon14_with_activity_labels.svg|link=https://en.wikipedia.org/wiki/File:Carbon14_with_activity_labels.svg|thumb|350x350px|Solar activity events recorded in radiocarbon. Present period is on right. Values since 1900 not shown.]]"
contains useless code.