Wikipedia:Articles for deletion/Solar cycle 1
including all cycles before and including 23. I question whether the three most recent cycles are written at an appropriate level of detail, but the others are nothing but entries in a list padded out to an article and decorated with a random picture of the solar disc. Most of the data seems to come from three sources which one suspects also display the data in a table, and contra the statements above I think it's a safe bet that the only way to obtain even some of the same information for cycles that are any much older is to go to primary research data, if it even exists. My impression from the article on the current cycle is that its copious detail is in part enabled by NASA website data availability (particularly the reliance on the spaceweather site) and partly on the more or less permanent presence of monitoring satellites, which data is obviously not going to stretch back into the 1700s. The argument that the huge article on the current cycle justifies all previous cycle articles is 
— User:Mangoe, 17:15, 30 July 2014 (UTC)
Stance: delete
Cited policy: WP:OTHERSTUFFEXISTS (Wikipedia:Arguments to avoid in deletion discussions)