This brochure informs scholars and citizens about the HAEU (Historical Archives of the European Union), its functions, its precious holdings and research opportunities, and invites people to get involved through learning, discussion and debate on recent European history. Thousands of visitors,...

Duisburg was the first German city to establish official relations with a Chinese city, Wuhan. Less out of strategic calculation or recognition of the global significance of China's reform and opening-up policy, but rather thanks to their common industrial roots in the steel industry, the two...

World War 1 exacerbated the cost of the influenza epidemic of 1918-19 in two ways. First, it facilitated the spread the flu virus through the movement of clusters of infected soldiers and sailors. Second, it constrained public health measures that would have reduced mortality (as during the...

This paper introduces the concept of "climate matching" as a driver of migration and establishes several new results. First, we show that climate strongly predicts the spatial distribution of immigrants in the US, both historically (1880) and more recently (2015), whereby movers select...