Submission deadlines in Personal Grants are yearly recurring deadlines that allow you to prepare well in advance. 

NWO Talent Programme: Veni, Vidi, Vici and Rubicon

Please see the NWO Talent Programme website for the actual status of each call. The Rubicon programme usually has three deadlines each year. Keep in mind your application can have multiple stages on which you are only eligible when you have participated in the first phase and are invited to submit in the second phase. 

European Research Council: Starting, Consolidator and Advanced

The tentative deadlines for 2021-2022 for ERC can be found here

MARIE SKŁODOWSKA-CURIE Actions: Postdoctoral FELLOWSHIPS

Under Horizon 2020 known as the "MSCA Individual Fellowships"
The European Commission displays a list of funding opportunities in the MSCA; please check the right name and year for this year's call.