Some of the earlier articles created
Disaster Management: International Early Warning Programme
Child labour - see articles listed at Category: Child labour.
Articles with significant edits: First year, 2004
Tsunami-related: 2004 Indian Ocean Tsunami re direct effect on South Africa and other minor issues, Countries affected by the 2004 Indian Ocean earthquake re the effect on South Africa, Humanitarian response to the 2004 Indian Ocean earthquake re aid from South Africa. Also Impact on Maldives, Impact on Sri Lanka.
The above are the initial articles I worked on. I have not kept a record here regarding subsequent work on Wikipedia.