Love this site http://timetravellerkids.co.uk
Great for younger ones as has link to tonnes of crafts to make learning more fun..links to book recommendations as well as places to visit etc…very inspring.
Historical Association KS1 resources. Samuel Peypes, Gunpowder plot, the great plague et. Lot sof other keystages too
Mainly for older children. Khan Academy History
Big History Project. Everything can be adapted as it is made for use with schools or as an individual parent. I have signed up as both with different email addresses to make use of the lesson plans etc so I can adapt them. This is a fantastic resource and so interesting if just for yourself and to dip into with your children.
Natural History Museum Links with science.
World War I :