keyword

when did the first war start

Monthly search volume and cost-per-click data for "when did the first war start" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+did+the+first+war+start&country=us" +--------------+------------------+ | volume | 49,500 | | cpc | $5.54 | | competition | 0 | | country | US | | updated | 2026-05-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
war world one	165,000	$4.47	20/20
when was world war 1	74,000	$1.36	20/20
when was ww1	74,000	$1.36	20/20
when did the first world war start	49,500	$2.59	20/20
when did world war 1 start	49,500	$2.59	20/20
when did ww1 start	49,500	$5.54	20/20
when did wwi start	49,500	$5.54	20/20
what started world war 1	18,100	$5.19	20/20
what started ww1	18,100	$5.25	20/20
start of ww1	14,800	$3.36	20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=when+did+the+first+war+start&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt