No one doubts the historic significance of Donald Trump being sworn in as America’s 47th president. History will speed up as soon as he starts signing executive orders, which is expected to happen right after he’s sworn in. Our tracker of the first 100 days of his term will keep you up to date on his major decisions, the confirmation of his cabinet nominees and the impact of all this on his popularity. Meanwhile, our Charlemagne columnist asks how Europe will weather the Trumpnado that is headed its way.